Solutions by everydaycalculation.com

The LCM of 40 and 40 is 40.

- Find the prime factorization of 40

40 = 2 × 2 × 2 × 5 - 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 - LCM =
**40**

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Find least common multiple (LCM) of: 80 & 80 20 & 20 120 & 120 200 & 200 8 & 8 280 & 280 80 & 40 40 & 80 120 & 40 40 & 120 200 & 40 40 & 200 280 & 40 40 & 280

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