Math Class 6 – Prime factorization of various numbers

  1. Which of the following is correct about the prime factorization of the greatest number of three digits?
    (a) 100 × 1
    (b) 50 × 2
    (c) 3 × 3 × 3 × 3 7
    (d) 2 × 2 × 2 × 3 × 3 × 5 × 5
  2. Which of the following is correct about the prime factorization of the smallest number of two digits?
    (a) 10 × 1
    (b) 2 × 5
    (c) 5 × 5
    (d) 2 × 3 × 5
  3. Which of the following is correct about the prime factorization of the largest number less than 49?
    (a) 48 × 1
    (b) 24 × 2
    (c) 2 × 2 × 2 × 2 × 3
    (d) 6 × 8
  4. Which of the following is correct about the prime factorization of the smallest number of three digits?
    (a) 100 × 1
    (b) 2 × 2 × 5 × 5
    (c) 3 × 37
    (d) 10 × 10
  5. Which of the following is correct about the prime factorization of the number 45?
    (a) 5 × 9
    (b) 3 × 15
    (c) 3 × 3 × 5
    (d) 2 × 22

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