Solutions by everydaycalculation.com

The LCM of 63 and 90 is 630.

- Find the prime factorization of 63

63 = 3 × 3 × 7 - Find the prime factorization of 90

90 = 2 × 3 × 3 × 5 - 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: 126 & 180 189 & 270 21 & 30 315 & 450 441 & 630 126 & 90 63 & 180 189 & 90 63 & 270 315 & 90 63 & 450 441 & 90 63 & 630

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