{
  "title": "Prime Factorization (Factors and Multiples) - Grade 5 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "What is the prime factorization of 6 🐱?",
      "options": { "A": "2 × 3", "B": "1 × 6", "C": "2 × 2 × 2", "D": "3 × 3" },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "Prime factors of 10 🍎 are?",
      "options": {
        "A": "2 × 5",
        "B": "1 × 10",
        "C": "5 × 5",
        "D": "2 × 2 × 3"
      },
      "correct_answer": "A"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "Express 12 🎈 as product of primes",
      "options": {
        "A": "2 × 2 × 3",
        "B": "3 × 4",
        "C": "2 × 6",
        "D": "1 × 12"
      },
      "correct_answer": "A"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "Prime factorization of 15 ⭐",
      "options": {
        "A": "3 × 5",
        "B": "1 × 15",
        "C": "5 × 5",
        "D": "3 × 3 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "What are prime factors of 18 🎯?",
      "options": {
        "A": "2 × 3 × 3",
        "B": "2 × 9",
        "C": "3 × 6",
        "D": "1 × 18"
      },
      "correct_answer": "A"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Prime factors of 20 📚",
      "options": {
        "A": "2 × 2 × 5",
        "B": "4 × 5",
        "C": "10 × 2",
        "D": "1 × 20"
      },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "Express 21 🍦 as product of primes",
      "options": {
        "A": "3 × 7",
        "B": "1 × 21",
        "C": "7 × 3 × 1",
        "D": "3 × 3 × 3"
      },
      "correct_answer": "A"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "Prime factorization of 24 🚗",
      "options": {
        "A": "2 × 2 × 2 × 3",
        "B": "4 × 6",
        "C": "3 × 8",
        "D": "2 × 12"
      },
      "correct_answer": "A"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "What are prime factors of 27 🎮?",
      "options": {
        "A": "3 × 3 × 3",
        "B": "9 × 3",
        "C": "1 × 27",
        "D": "3 × 9"
      },
      "correct_answer": "A"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "Prime factors of 30 🌈",
      "options": {
        "A": "2 × 3 × 5",
        "B": "5 × 6",
        "C": "10 × 3",
        "D": "15 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "Express 35 🎂 as product of primes",
      "options": {
        "A": "5 × 7",
        "B": "1 × 35",
        "C": "7 × 5 × 1",
        "D": "5 × 5 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "Prime factorization of 36 🏫",
      "options": {
        "A": "2 × 2 × 3 × 3",
        "B": "4 × 9",
        "C": "6 × 6",
        "D": "3 × 12"
      },
      "correct_answer": "A"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "What are prime factors of 40 🎵?",
      "options": {
        "A": "2 × 2 × 2 × 5",
        "B": "4 × 10",
        "C": "8 × 5",
        "D": "20 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "Prime factors of 42 🎪",
      "options": {
        "A": "2 × 3 × 7",
        "B": "6 × 7",
        "C": "14 × 3",
        "D": "21 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Express 45 ⚽ as product of primes",
      "options": {
        "A": "3 × 3 × 5",
        "B": "5 × 9",
        "C": "15 × 3",
        "D": "1 × 45"
      },
      "correct_answer": "A"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "Prime factorization of 48 🎨",
      "options": {
        "A": "2 × 2 × 2 × 2 × 3",
        "B": "6 × 8",
        "C": "12 × 4",
        "D": "3 × 16"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "What are prime factors of 50 🎁?",
      "options": {
        "A": "2 × 5 × 5",
        "B": "10 × 5",
        "C": "25 × 2",
        "D": "1 × 50"
      },
      "correct_answer": "A"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "Prime factors of 54 🚀",
      "options": {
        "A": "2 × 3 × 3 × 3",
        "B": "6 × 9",
        "C": "18 × 3",
        "D": "27 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "Express 56 📅 as product of primes",
      "options": {
        "A": "2 × 2 × 2 × 7",
        "B": "7 × 8",
        "C": "14 × 4",
        "D": "28 × 2"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "Prime factorization of 60 ⏰",
      "options": {
        "A": "2 × 2 × 3 × 5",
        "B": "6 × 10",
        "C": "15 × 4",
        "D": "20 × 3"
      },
      "correct_answer": "A"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "What is the prime factorization of 72 🧩?",
      "options": {
        "A": "2³ × 3²",
        "B": "2² × 3³",
        "C": "2⁴ × 3",
        "D": "2 × 3⁴"
      },
      "correct_answer": "A"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Prime factors of 84 using factor tree 🌳",
      "options": {
        "A": "2² × 3 × 7",
        "B": "2 × 3² × 7",
        "C": "2 × 3 × 14",
        "D": "4 × 3 × 7"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "Express 90 as product of primes 🎯",
      "options": {
        "A": "2 × 3² × 5",
        "B": "2² × 3 × 5",
        "C": "2 × 3 × 15",
        "D": "9 × 10"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "Prime factorization of 96 🧠",
      "options": {
        "A": "2⁵ × 3",
        "B": "2⁴ × 6",
        "C": "2³ × 12",
        "D": "2 × 48"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "What are prime factors of 108 🎪?",
      "options": {
        "A": "2² × 3³",
        "B": "2³ × 3²",
        "C": "4 × 27",
        "D": "6 × 18"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Prime factors of 120 🚗",
      "options": {
        "A": "2³ × 3 × 5",
        "B": "2² × 3² × 5",
        "C": "2 × 3 × 4 × 5",
        "D": "10 × 12"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "Express 126 as product of primes 🌟",
      "options": {
        "A": "2 × 3² × 7",
        "B": "2² × 3 × 7",
        "C": "6 × 21",
        "D": "9 × 14"
      },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "Prime factorization of 144 🏆",
      "options": {
        "A": "2⁴ × 3²",
        "B": "2³ × 3³",
        "C": "12 × 12",
        "D": "2⁵ × 3"
      },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "What are prime factors of 150 🎨?",
      "options": {
        "A": "2 × 3 × 5²",
        "B": "2² × 3 × 5",
        "C": "10 × 15",
        "D": "5 × 30"
      },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Prime factors of 168 using division method 🔢",
      "options": {
        "A": "2³ × 3 × 7",
        "B": "2² × 3² × 7",
        "C": "2 × 84",
        "D": "4 × 42"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "Express 180 as product of primes 🎯",
      "options": {
        "A": "2² × 3² × 5",
        "B": "2 × 3³ × 5",
        "C": "2³ × 3 × 5",
        "D": "9 × 20"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "Prime factorization of 192 🧩",
      "options": {
        "A": "2⁶ × 3",
        "B": "2⁵ × 6",
        "C": "2⁴ × 12",
        "D": "2³ × 24"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "What are prime factors of 210 🚀?",
      "options": {
        "A": "2 × 3 × 5 × 7",
        "B": "2² × 3 × 5 × 7",
        "C": "10 × 21",
        "D": "14 × 15"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "Prime factors of 216 🌈",
      "options": {
        "A": "2³ × 3³",
        "B": "2² × 3⁴",
        "C": "6 × 36",
        "D": "8 × 27"
      },
      "correct_answer": "A"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "Express 240 as product of primes 📚",
      "options": {
        "A": "2⁴ × 3 × 5",
        "B": "2³ × 3² × 5",
        "C": "2 × 120",
        "D": "12 × 20"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "Prime factorization of 252 🎵",
      "options": {
        "A": "2² × 3² × 7",
        "B": "2 × 3³ × 7",
        "C": "2³ × 3 × 7",
        "D": "4 × 63"
      },
      "correct_answer": "A"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "What are prime factors of 270 🎪?",
      "options": {
        "A": "2 × 3³ × 5",
        "B": "2² × 3² × 5",
        "C": "10 × 27",
        "D": "9 × 30"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "Prime factors of 288 🏫",
      "options": {
        "A": "2⁵ × 3²",
        "B": "2⁴ × 3³",
        "C": "2³ × 6²",
        "D": "12 × 24"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "Express 300 as product of primes 🎁",
      "options": {
        "A": "2² × 3 × 5²",
        "B": "2 × 3² × 5²",
        "C": "2³ × 3 × 5²",
        "D": "10 × 30"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Prime factorization of 315 🍦",
      "options": {
        "A": "3² × 5 × 7",
        "B": "3 × 5² × 7",
        "C": "3³ × 5 × 7",
        "D": "5 × 63"
      },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "What is the prime factorization of 360 🧠?",
      "options": {
        "A": "2³ × 3² × 5",
        "B": "2² × 3³ × 5",
        "C": "2⁴ × 3 × 5",
        "D": "2 × 3⁴ × 5"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "Prime factors of 420 using factor tree method 🌳",
      "options": {
        "A": "2² × 3 × 5 × 7",
        "B": "2 × 3² × 5 × 7",
        "C": "2 × 3 × 5 × 14",
        "D": "4 × 3 × 5 × 7"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "Express 450 as product of primes 🏆",
      "options": {
        "A": "2 × 3² × 5²",
        "B": "2² × 3² × 5",
        "C": "2 × 3 × 5³",
        "D": "9 × 50"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "Prime factorization of 480 🎯",
      "options": {
        "A": "2⁵ × 3 × 5",
        "B": "2⁴ × 3² × 5",
        "C": "2³ × 3 × 5 × 8",
        "D": "2 × 240"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "What are prime factors of 504 🌟?",
      "options": {
        "A": "2³ × 3² × 7",
        "B": "2² × 3³ × 7",
        "C": "2⁴ × 3 × 7",
        "D": "8 × 63"
      },
      "correct_answer": "A"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "Prime factors of 540 🚀",
      "options": {
        "A": "2² × 3³ × 5",
        "B": "2 × 3⁴ × 5",
        "C": "2³ × 3² × 5",
        "D": "6 × 90"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "Express 576 as product of primes 🎨",
      "options": {
        "A": "2⁶ × 3²",
        "B": "2⁵ × 3³",
        "C": "2⁴ × 3⁴",
        "D": "24 × 24"
      },
      "correct_answer": "A"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "Prime factorization of 600 📏",
      "options": {
        "A": "2³ × 3 × 5²",
        "B": "2² × 3² × 5²",
        "C": "2 × 3 × 4 × 5²",
        "D": "10 × 60"
      },
      "correct_answer": "A"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "What are prime factors of 630 🎪?",
      "options": {
        "A": "2 × 3² × 5 × 7",
        "B": "2² × 3 × 5 × 7",
        "C": "2 × 3 × 5 × 21",
        "D": "9 × 70"
      },
      "correct_answer": "A"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Prime factors of 660 using division method 🔍",
      "options": {
        "A": "2² × 3 × 5 × 11",
        "B": "2 × 3² × 5 × 11",
        "C": "2 × 330",
        "D": "6 × 110"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "Express 672 as product of primes 🧩",
      "options": {
        "A": "2⁵ × 3 × 7",
        "B": "2⁴ × 3² × 7",
        "C": "2³ × 3 × 4 × 7",
        "D": "8 × 84"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "Prime factorization of 720 🏆",
      "options": {
        "A": "2⁴ × 3² × 5",
        "B": "2³ × 3³ × 5",
        "C": "2⁵ × 3 × 5",
        "D": "12 × 60"
      },
      "correct_answer": "A"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "What are prime factors of 756 🎯?",
      "options": {
        "A": "2² × 3³ × 7",
        "B": "2 × 3⁴ × 7",
        "C": "2³ × 3² × 7",
        "D": "9 × 84"
      },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "Prime factors of 780 🌈",
      "options": {
        "A": "2² × 3 × 5 × 13",
        "B": "2 × 3² × 5 × 13",
        "C": "2 × 390",
        "D": "12 × 65"
      },
      "correct_answer": "A"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "Express 840 as product of primes 🚀",
      "options": {
        "A": "2³ × 3 × 5 × 7",
        "B": "2² × 3² × 5 × 7",
        "C": "2⁴ × 3 × 5 × 7",
        "D": "8 × 105"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "Prime factorization of 864 🎵",
      "options": {
        "A": "2⁵ × 3³",
        "B": "2⁴ × 3⁴",
        "C": "2³ × 6³",
        "D": "12 × 72"
      },
      "correct_answer": "A"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "What are prime factors of 900 🏫?",
      "options": {
        "A": "2² × 3² × 5²",
        "B": "2 × 3³ × 5²",
        "C": "2³ × 3² × 5",
        "D": "30 × 30"
      },
      "correct_answer": "A"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "Prime factors of 924 🧠",
      "options": {
        "A": "2² × 3 × 7 × 11",
        "B": "2 × 3² × 7 × 11",
        "C": "2 × 462",
        "D": "12 × 77"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "Express 960 as product of primes 🎪",
      "options": {
        "A": "2⁶ × 3 × 5",
        "B": "2⁵ × 3² × 5",
        "C": "2⁴ × 3 × 5 × 8",
        "D": "10 × 96"
      },
      "correct_answer": "A"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "Prime factorization of 990 🎨",
      "options": {
        "A": "2 × 3² × 5 × 11",
        "B": "2² × 3 × 5 × 11",
        "C": "2 × 3 × 5 × 33",
        "D": "9 × 110"
      },
      "correct_answer": "A"
    }
  ]
}