Solutions by everydaycalculation.com

The lcm of 63 and 54 is 378.

- Find the prime factorization of 63

63 = 3 × 3 × 7 - Find the prime factorization of 54

54 = 2 × 3 × 3 × 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 × 3 × 7 - LCM =
**378**

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Find least common multiple (lcm) of: 126 & 108 189 & 162 21 & 18 315 & 270 441 & 378 126 & 54 63 & 108 189 & 54 63 & 162 315 & 54 63 & 270 441 & 54 63 & 378

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