LCM for 100 and 400
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What's the Least Common Multiple (LCM) of 100 and 400?
Answer
LCM of 100 and 400 is
400
First common multiples: 400; 800; 1,200; …
As a common denominator: multiply the top and bottom of x/100 by 4.
100 divides 400 (400 ÷ 100 = 4), so the LCM is the larger number itself.
100 = 22 × 52
400 = 24 × 52
| Prime | 100 | 400 | Highest power |
|---|---|---|---|
| 2 | 22 | 24 | 24 |
| 5 | 52 | 52 | 52 |
LCM = 24 × 52 = 400
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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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