LCM for 90 and 275
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What's the Least Common Multiple (LCM) of 90 and 275?
Answer
LCM of 90 and 275 is
4,950
First common multiples: 4,950; 9,900; 14,850; …
4,950 is divisible by both: 4,950 ÷ 90 = 55; 4,950 ÷ 275 = 18 — and 55 and 18 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/90 by 55 and of y/275 by 18.
90 = 2 × 32 × 5
275 = 52 × 11
| Prime | 90 | 275 | Highest power |
|---|---|---|---|
| 2 | 2 | — | 2 |
| 3 | 32 | — | 32 |
| 5 | 5 | 52 | 52 |
| 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 × 32 × 52 × 11 = 4,950
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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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