What is the LCM of 15 and 168?
The LCM of 15 and 168 is 840.
Steps to find LCM
- Find the prime factorization of 15
15 = 3 × 5 - Find the prime factorization of 168
168 = 2 × 2 × 2 × 3 × 7 - 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 × 5 × 7 - LCM = 840
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Find least common multiple (LCM) of: 30 & 336 45 & 504 5 & 56 75 & 840 105 & 1176 30 & 168 15 & 336 45 & 168 15 & 504 75 & 168 15 & 840 105 & 168 15 & 1176
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