LCM for 6, 8 and 10
"Least Common Multiple of 3 Numbers" Calculator
What's the Least Common Multiple (LCM) of 6, 8 and 10?
Answer
LCM of 6, 8 and 10 is
120
First common multiples: 120, 240, 360, …
120 is divisible by all three: 120 ÷ 6 = 20, 120 ÷ 8 = 15, 120 ÷ 10 = 12 — and 20, 15 and 12 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/6 by 20 and of y/8 by 15 and of z/10 by 12.
6 = 2 × 3
8 = 23
10 = 2 × 5
| Prime | 6 | 8 | 10 | Highest power |
|---|---|---|---|---|
| 2 | 2 | 23 | 2 | 23 |
| 3 | 3 | — | — | 3 |
| 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 = 23 × 3 × 5 = 120
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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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