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Q: Which pair of number has a greatest common factor of 2?

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The Greatest Common Factor (GCF) is: 12

The word GREATEST is a superlative and that means that there can be only one such number. It is not possible to have a greatest common factor pair. The greatest common factor is 4.

The Greatest Common Factor of 36, 54: 18

There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers.

A single number does not have a common factor. Common factors are factors that two or more numbers have in common. The greatest common factor of a pair of numbers over 50 could be any number, depending on the pair of numbers. The greatest common factor of 51 and 100 is 1. The greatest common factor of 51, 52, 53, 54, 55, and 56 is 1. The greatest common factor of 52 and 100 is 2. The greatest common factor of 57 and 102 is 3.

A prime number

15 and 30 is just one pair of number that has a greatest common factor of 15

The GCF is 30.

The GCF is 3.

Yes, if that number is a factor of the other.

1 is the greatest common factor to these pair of numbers because no other number can evenly divide these 2.

1800 is the greatest common factor of 1800 and 3600.

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