Answers

The lcm of 7 and 15 is 105.

Steps to find LCM

1. Find the prime factorization of 7
   7 = 7
2. Find the prime factorization of 15
   15 = 3 × 5
3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
   
   LCM = 3 × 5 × 7
4. LCM = 105

Find least common multiple (lcm) of: 14 & 30 21 & 45 35 & 75 49 & 105 14 & 15 7 & 30 21 & 15 7 & 45 35 & 15 7 & 75 49 & 15 7 & 105

LCM Calculator

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