Solutions by everydaycalculation.com

The LCM of 77 and 140 is 1540.

- Find the prime factorization of 77

77 = 7 × 11 - Find the prime factorization of 140

140 = 2 × 2 × 5 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 5 × 7 × 11 - LCM =
**1540**

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Find least common multiple (LCM) of: 154 & 280 231 & 420 385 & 700 539 & 980 11 & 20 154 & 140 77 & 280 231 & 140 77 & 420 385 & 140 77 & 700 539 & 140 77 & 980

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