What is the LCM of 4 and 40?
The LCM of 4 and 40 is 40.
Steps to find LCM
- Find the prime factorization of 4
4 = 2 × 2 - Find the prime factorization of 40
40 = 2 × 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 × 2 × 5 - LCM = 40
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Find least common multiple (LCM) of: 8 & 80 2 & 20 12 & 120 20 & 200 28 & 280 8 & 40 4 & 80 12 & 40 4 & 120 20 & 40 4 & 200 28 & 40 4 & 280
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.