LCM Calculator
Find the Least Common Multiple (LCM) of two or more numbers instantly.
Least Common Multiple
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What is the Least Common Multiple?
The Least Common Multiple (LCM) is the smallest positive integer that is divisible by each of the given numbers.
Formula
LCM(a, b) = |a × b| / GCF(a, b)
LCM(4, 6):
GCF(4, 6) = 2
LCM = (4 × 6) / 2 = 12
GCF(4, 6) = 2
LCM = (4 × 6) / 2 = 12
LCM Reference Table
| Numbers | LCM |
|---|---|
| 3, 4 | 12 |
| 4, 6 | 12 |
| 5, 7 | 35 |
| 6, 8 | 24 |
| 12, 18 | 36 |
FAQ
What is LCM used for?
LCM is used to add or subtract fractions with different denominators, find common scheduling intervals, and solve related problems.
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Last updated: 2026-08-08