Multiple choice

Which of the following factors of 91 are prime numbers?

  1. 1, 7

  2. 7, 13

  3. 13, 19

  4. 7, 23
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

91 = 7 × 13. So, prime factors of 91 are 7 and 13.

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