Solutions by everydaycalculation.com

The LCM of 27 and 7 is 189.

- Find the prime factorization of 27

27 = 3 × 3 × 3 - Find the prime factorization of 7

7 = 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 3 × 3 × 3 × 7 - LCM =
**189**

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Find least common multiple (LCM) of: 54 & 14 81 & 21 135 & 35 189 & 49 54 & 7 27 & 14 81 & 7 27 & 21 135 & 7 27 & 35 189 & 7 27 & 49

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