Multiple choice

Which of the following sets of numbers will have the LCM equal to 105?

  1. 15 and 27

  2. 27 and 61

  3. 21 and 35

  4. 15 and 21
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

15 and 21 Factors of 15 = 3 × 5 Factors of 21 = 3 × 7 LCM = 3 × 5 × 7 = 105

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