Solutions by everydaycalculation.com

The LCM of 45 and 6 is 90.

- Find the prime factorization of 45

45 = 3 × 3 × 5 - Find the prime factorization of 6

6 = 2 × 3 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 3 × 5 - LCM =
**90**

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Find least common multiple (LCM) of: 90 & 12 135 & 18 15 & 2 225 & 30 315 & 42 90 & 6 45 & 12 135 & 6 45 & 18 225 & 6 45 & 30 315 & 6 45 & 42

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