what is the least common multiple of 15 and 10?
The least common multiple (LCM) of 15 and 10 is 30.
Quick Scoop
To see why the answer is 30, think about the multiples of each number.
- Multiples of 10: 10, 20, 30 , 40, 50, 60, …
- Multiples of 15: 15, 30 , 45, 60, 75, …
The first (smallest) number that appears in both lists is 30, so that is the least common multiple of 15 and 10.
In simple terms: 30 is the smallest number that both 10 and 15 divide into evenly, with no remainder.
TL;DR: LCM(15, 10) = 30.
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