Solutions by everydaycalculation.com

The LCM of 7 and 72 is 504.

- Find the prime factorization of 7

7 = 7 - Find the prime factorization of 72

72 = 2 × 2 × 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 × 7 - LCM =
**504**

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Find least common multiple (LCM) of: 14 & 144 21 & 216 35 & 360 49 & 504 14 & 72 7 & 144 21 & 72 7 & 216 35 & 72 7 & 360 49 & 72 7 & 504

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