LCM for 47 and 55
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What's the Least Common Multiple (LCM) of 47 and 55?
Answer
LCM of 47 and 55 is
2,585
First common multiples: 2,585; 5,170; 7,755; …
2,585 is divisible by both: 2,585 ÷ 47 = 55; 2,585 ÷ 55 = 47 — and 55 and 47 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/47 by 55 and of y/55 by 47.
47 and 55 are coprime (GCF = 1), so their LCM is simply the product: 47 × 55 = 2,585.
47 — prime
55 = 5 × 11
| Prime | 47 | 55 | Highest power |
|---|---|---|---|
| 5 | — | 5 | 5 |
| 11 | — | 11 | 11 |
| 47 | 47 | — | 47 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 5 × 11 × 47 = 2,585
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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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