LCM for 20 and 26
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What's the Least Common Multiple (LCM) of 20 and 26?
Answer
LCM of 20 and 26 is
260
First common multiples: 260, 520, 780, …
260 is divisible by both: 260 ÷ 20 = 13, 260 ÷ 26 = 10 — and 13 and 10 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/20 by 13 and of y/26 by 10.
20 = 22 × 5
26 = 2 × 13
| Prime | 20 | 26 | Highest power |
|---|---|---|---|
| 2 | 22 | 2 | 22 |
| 5 | 5 | — | 5 |
| 13 | — | 13 | 13 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 22 × 5 × 13 = 260
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See Also
- 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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