What is the LCM of 10 and 28?
The LCM of 10 and 28 is 140.
Steps to find LCM
- Find the prime factorization of 10
10 = 2 × 5 - Find the prime factorization of 28
28 = 2 × 2 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 5 × 7 - LCM = 140
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Find least common multiple (LCM) of: 20 & 56 5 & 14 30 & 84 50 & 140 70 & 196 20 & 28 10 & 56 30 & 28 10 & 84 50 & 28 10 & 140 70 & 28 10 & 196
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