Solutions by everydaycalculation.com

The lcm of 8 and 18 is 72.

- Find the prime factorization of 8

8 = 2 × 2 × 2 - Find the prime factorization of 18

18 = 2 × 3 × 3 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 3 × 3 - LCM =
**72**

Find least common multiple (lcm) of: 16 & 36 4 & 9 24 & 54 40 & 90 56 & 126 16 & 18 8 & 36 24 & 18 8 & 54 40 & 18 8 & 90 56 & 18 8 & 126

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