LCM for 30 and 165
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What's the Least Common Multiple (LCM) of 30 and 165?
Answer
LCM of 30 and 165 is
330
First common multiples: 330, 660, 990, …
330 is divisible by both: 330 ÷ 30 = 11, 330 ÷ 165 = 2 — and 11 and 2 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/30 by 11 and of y/165 by 2.
30 = 2 × 3 × 5
165 = 3 × 5 × 11
| Prime | 30 | 165 | Highest power |
|---|---|---|---|
| 2 | 2 | — | 2 |
| 3 | 3 | 3 | 3 |
| 5 | 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 = 2 × 3 × 5 × 11 = 330
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- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Multiples of a Number - List the first 10 multiples of any number from 1 to 999
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