Solutions by everydaycalculation.com

The LCM of 49 and 40 is 1960.

- Find the prime factorization of 49

49 = 7 × 7 - Find the prime factorization of 40

40 = 2 × 2 × 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 5 × 7 × 7 - LCM =
**1960**

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Find least common multiple (LCM) of: 98 & 80 147 & 120 245 & 200 343 & 280 98 & 40 49 & 80 147 & 40 49 & 120 245 & 40 49 & 200 343 & 40 49 & 280

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