What is the LCM of 42 and 10?
The LCM of 42 and 10 is 210.
Steps to find LCM
- Find the prime factorization of 42
42 = 2 × 3 × 7 - Find the prime factorization of 10
10 = 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 3 × 5 × 7 - LCM = 210
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Find least common multiple (LCM) of: 84 & 20 21 & 5 126 & 30 210 & 50 294 & 70 84 & 10 42 & 20 126 & 10 42 & 30 210 & 10 42 & 50 294 & 10 42 & 70
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