What is the LCM of 4 and 20?
The LCM of 4 and 20 is 20.
Steps to find LCM
- Find the prime factorization of 4
4 = 2 × 2 - Find the prime factorization of 20
20 = 2 × 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 5 - LCM = 20
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Find least common multiple (LCM) of: 8 & 40 2 & 10 12 & 60 20 & 100 28 & 140 8 & 20 4 & 40 12 & 20 4 & 60 20 & 20 4 & 100 28 & 20 4 & 140
LCM Calculator
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