What is the LCM of 42 and 49?
The LCM of 42 and 49 is 294.
Steps to find LCM
- Find the prime factorization of 42
42 = 2 × 3 × 7 - Find the prime factorization of 49
49 = 7 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 3 × 7 × 7 - LCM = 294
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Find least common multiple (LCM) of: 84 & 98 126 & 147 210 & 245 294 & 343 6 & 7 84 & 49 42 & 98 126 & 49 42 & 147 210 & 49 42 & 245 294 & 49 42 & 343
LCM Calculator
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