LCM for 100 and 121
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What's the Least Common Multiple (LCM) of 100 and 121?
Answer
LCM of 100 and 121 is
12,100
First common multiples: 12,100; 24,200; 36,300; …
12,100 is divisible by both: 12,100 ÷ 100 = 121; 12,100 ÷ 121 = 100 — and 121 and 100 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/100 by 121 and of y/121 by 100.
100 and 121 are coprime (GCF = 1), so their LCM is simply the product: 100 × 121 = 12,100.
100 = 22 × 52
121 = 112
| Prime | 100 | 121 | Highest power |
|---|---|---|---|
| 2 | 22 | — | 22 |
| 5 | 52 | — | 52 |
| 11 | — | 112 | 112 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 22 × 52 × 112 = 12,100
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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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