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Q: What number has a least common multiple of 120 and a greatest common factor of 10?

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The GCF of the numbers is the greatest common factor no matter what their relationship is. When one number is a multiple of another number, the GCF is the smaller number.

The greatest common FACTOR of 90 and 108 is 18. The LEAST common multiple is 540. There can be no greatest common multiple since double that number will be a greater common multiple.

When one number is a multiple of the other, the greatest common factor of the two is the smaller number.

71 is a prime number, so its only factors are 1 and 71. Unless n is a multiple of 71, the greatest common factor is 1. If n is a multiple of 71, the greatest common factor is 71.

3

The greatest common multiple is an infinite number and not very practical for everyday use. The greatest common factor of those two numbers is 11.

3

The other number.

3 and 360 have an LCM of 360 and a GCF of 3

The greatest common factor, or GCF, is the largest number that can go into a set of given numbers evenly. The least common multiple, or LCM, is the smallest number that a given set of numbers can go into evenly.

There is no answer. There cannot be a lowest common multiple of a single number, such as 30, because "common multiple" means a multiple that two or more numbers have in common. Likewise, there cannot be a highest common factor of a single number, such as 3, because "common factor" means a factor that two or more numbers have in common.

Only if you're comparing a number to itself.

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