LCM for 3, 5 and 11
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What's the Least Common Multiple (LCM) of 3, 5 and 11?
Answer
LCM of 3, 5 and 11 is
165
First common multiples: 165, 330, 495, …
165 is divisible by all three: 165 ÷ 3 = 55, 165 ÷ 5 = 33, 165 ÷ 11 = 15 — and 55, 33 and 15 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/3 by 55 and of y/5 by 33 and of z/11 by 15.
3 — prime
5 — prime
11 — prime
| Prime | 3 | 5 | 11 | Highest power |
|---|---|---|---|---|
| 3 | 3 | — | — | 3 |
| 5 | — | 5 | — | 5 |
| 11 | — | — | 11 | 11 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 3 × 5 × 11 = 165
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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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