Solutions by everydaycalculation.com

The LCM of 9 and 4 is 36.

- Find the prime factorization of 9

9 = 3 × 3 - Find the prime factorization of 4

4 = 2 × 2 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 3 × 3 - LCM =
**36**

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Find least common multiple (LCM) of: 18 & 8 27 & 12 45 & 20 63 & 28 18 & 4 9 & 8 27 & 4 9 & 12 45 & 4 9 & 20 63 & 4 9 & 28

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