Find LCM of 4 and 9

Trying to help daughter with math but I can't remember how to find GCF and LCM. for numbers 4 and 9
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2 Answers

4 and 9 have no common factors at at (4 = 2 x 2 and 9 = 3 x 3).

So the LCM is thus 4 x 9 = 36

This site might help with similar questions? http://statsfiddle.info/Primes/LowestCommonMultiple/4?number2=9
by Level 4 User (6.0k points)
2 * 2 = 4

3 * 3 =9

LCM = 2 * 2

3 *3

= 36
by

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