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Q: What number is in both factor and multiple of 72?

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Four is a factor of 72. 72 is a multiple of 4. 4 is not a multiple of 72.

I assume that's supposed to be a fraction, 24/72. The idea is to find a common factor - a number that is a factor of both 24 and 72. Then, divide both numbers by this factor. Repeat, until you find no more common factors.

2. As this is the highest number that goes into both of them :]

That would have to be a common multiple. It is any multiple of 14040.

The least common multiple (LCM) of two numbers is the smallest positive rational number (not zero) that is a multiple of both. Multiples of 12 are: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, etc. Multiples of 8 are: 72, 144, etc. The least common multiple of 12 and 72 is the smallest one of those: 72

Related questions

It can be both.

It can be either or both. 36 is a factor of 72. 36 is a multiple of 9. 36 is both a factor and a multiple of 36.

The smallest number that is a multiple of both 72 and 117 is 936.

6, 12, 18, 24, 36, 72

Four is a factor of 72. 72 is a multiple of 4. 4 is not a multiple of 72.

6, 12, 18, 24, 36, 72

No, 72 is a multiple of 9.

8, 24, and 72 are all factors of 72 and multiples of 8.

4248

There is no greatest common multiple of two (or more) numbers: whatever number you come up with as the greatest common multiple I can always add their lowest common multiple to get an even higher common multiple. If you meant the LOWEST common multiple (the least number that both divide into with a remainder) then lcm(72, 180) = 360. If you meant the greatest common FACTOR (the greatest number that divides into both), then gcf(72, 180) = 36.

72

9

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