Solutions by everydaycalculation.com

The LCM of 15 and 35 is 105.

- Find the prime factorization of 15

15 = 3 × 5 - Find the prime factorization of 35

35 = 5 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 3 × 5 × 7 - LCM =
**105**

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Find least common multiple (LCM) of: 30 & 70 45 & 105 75 & 175 3 & 7 105 & 245 30 & 35 15 & 70 45 & 35 15 & 105 75 & 35 15 & 175 105 & 35 15 & 245

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