LCM for 2, 5 and 10
"Least Common Multiple of 3 Numbers" Calculator
What's the Least Common Multiple (LCM) of 2, 5 and 10?
Answer
LCM of 2, 5 and 10 is
10
First common multiples: 10, 20, 30, …
10 is divisible by all three: 10 ÷ 2 = 5, 10 ÷ 5 = 2, 10 ÷ 10 = 1 — and 5, 2 and 1 have no factor but 1 common to all of them, so no smaller number is. As a common denominator: multiply the top and bottom of x/2 by 5 and of y/5 by 2.
2 — prime
5 — prime
10 = 2 × 5
| Prime | 2 | 5 | 10 | Highest power |
|---|---|---|---|---|
| 2 | 2 | — | 2 | 2 |
| 5 | — | 5 | 5 | 5 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 2 × 5 = 10
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See Also
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
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