What is the LCM of 20 and 50?
The LCM of 20 and 50 is 100.
Steps to find LCM
- Find the prime factorization of 20
20 = 2 × 2 × 5 - Find the prime factorization of 50
50 = 2 × 5 × 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 × 5 - LCM = 100
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Find least common multiple (LCM) of: 40 & 100 10 & 25 60 & 150 100 & 250 4 & 10 140 & 350 40 & 50 20 & 100 60 & 50 20 & 150 100 & 50 20 & 250 140 & 50 20 & 350
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.