Solutions by everydaycalculation.com

The LCM of 10 and 63 is 630.

- Find the prime factorization of 10

10 = 2 × 5 - Find the prime factorization of 63

63 = 3 × 3 × 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: 20 & 126 30 & 189 50 & 315 70 & 441 20 & 63 10 & 126 30 & 63 10 & 189 50 & 63 10 & 315 70 & 63 10 & 441

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