ArithmeticQuestion 295 of 550

What is the lowest common multiple of 12 and 18?

  1. 36
  2. 6
  3. 72
  4. 54
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Correct answer: 36

Multiples of 18 are 18, 36, ... 36 divides by 12. So the lowest common multiple is 36.

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Questions last reviewed: 21 October 2026