What is the LCM of 4 and 7?
The LCM of 4 and 7 is 28.
Steps to find LCM
- Find the prime factorization of 4
4 = 2 × 2 - Find the prime factorization of 7
7 = 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 7 - LCM = 28
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Find least common multiple (LCM) of: 8 & 14 12 & 21 20 & 35 28 & 49 8 & 7 4 & 14 12 & 7 4 & 21 20 & 7 4 & 35 28 & 7 4 & 49
LCM Calculator
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