Solutions by everydaycalculation.com

The LCM of 4 and 18 is 36.

- Find the prime factorization of 4

4 = 2 × 2 - Find the prime factorization of 18

18 = 2 × 3 × 3 - 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: 8 & 36 2 & 9 12 & 54 20 & 90 28 & 126 8 & 18 4 & 36 12 & 18 4 & 54 20 & 18 4 & 90 28 & 18 4 & 126

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