Solutions by everydaycalculation.com

The LCM of 22 and 20 is 220.

- Find the prime factorization of 22

22 = 2 × 11 - Find the prime factorization of 20

20 = 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 × 5 × 11 - LCM =
**220**

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Find least common multiple (LCM) of: 44 & 40 11 & 10 66 & 60 110 & 100 154 & 140 44 & 20 22 & 40 66 & 20 22 & 60 110 & 20 22 & 100 154 & 20 22 & 140

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