What is the LCM of 84 and 140?
The LCM of 84 and 140 is 420.
Steps to find LCM
- Find the prime factorization of 84
84 = 2 × 2 × 3 × 7 - Find the prime factorization of 140
140 = 2 × 2 × 5 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 3 × 5 × 7 - LCM = 420
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Find least common multiple (LCM) of: 168 & 280 42 & 70 252 & 420 420 & 700 588 & 980 12 & 20 168 & 140 84 & 280 252 & 140 84 & 420 420 & 140 84 & 700 588 & 140 84 & 980
LCM Calculator
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