Solutions by everydaycalculation.com

The LCM of 30 and 78 is 390.

- Find the prime factorization of 30

30 = 2 × 3 × 5 - Find the prime factorization of 78

78 = 2 × 3 × 13 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 3 × 5 × 13 - LCM =
**390**

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Find least common multiple (LCM) of: 60 & 156 15 & 39 90 & 234 10 & 26 150 & 390 210 & 546 60 & 78 30 & 156 90 & 78 30 & 234 150 & 78 30 & 390 210 & 78 30 & 546

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