Solutions by everydaycalculation.com

The LCM of 45 and 14 is 630.

- Find the prime factorization of 45

45 = 3 × 3 × 5 - Find the prime factorization of 14

14 = 2 × 7 - 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 × 7 - LCM =
**630**

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Find least common multiple (LCM) of: 90 & 28 135 & 42 225 & 70 315 & 98 90 & 14 45 & 28 135 & 14 45 & 42 225 & 14 45 & 70 315 & 14 45 & 98

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