LCM for 90 and 355
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 90 and 355?
Answer
LCM of 90 and 355 is
6,390
First common multiples: 6,390; 12,780; 19,170; …
6,390 is divisible by both: 6,390 ÷ 90 = 71; 6,390 ÷ 355 = 18 — and 71 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 71 and of y/355 by 18.
90 = 2 × 32 × 5
355 = 5 × 71
| Prime | 90 | 355 | Highest power |
|---|---|---|---|
| 2 | 2 | — | 2 |
| 3 | 32 | — | 32 |
| 5 | 5 | 5 | 5 |
| 71 | — | 71 | 71 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 2 × 32 × 5 × 71 = 6,390
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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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