Solutions by everydaycalculation.com

The LCM of 7 and 7 is 7.

- Find the prime factorization of 7

7 = 7 - Find the prime factorization of 7

7 = 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 7

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Find least common multiple (LCM) of: 14 & 14 21 & 21 35 & 35 49 & 49 1 & 1 14 & 7 7 & 14 21 & 7 7 & 21 35 & 7 7 & 35 49 & 7 7 & 49

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