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The GCF is 3.

The GCF is 3.

The GCF is 11.

The GCF is 3.

The GCF is 3.

3

It is: 1

Q: What is the gcf of 12 21?

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The GCF is 3.

The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(912, 21) = 3.

The GCF of that set is 1.

The factors of 9 are:1, 3, 9The factors of 13 are:1, 13The Greatest Common Factor (GCF) is:1

21 and 42 have a GCF of 21. 40 and 80 have a GCF of 40. The GCF of 21 and 40 is 1.

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The GCF is 3.

The GCF is 3.

The GCF is 1.

The GCF is 1.

If you want the "greatest", then there can only be one of it.You can't have two different numbers and say that they'reboth the "greatest".The greatest common factor of 12 and 21 is 3 .

3 is the GCF of 12, 18, and 21. 3x4=12 3x6=18 3x7=21 3 is the GCF of 12, 18, and 21.

The GCF is 3.

The GCF is 3.

It is: 3

The GCF of 12, 21, and 88 is 1.

The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(912, 21) = 3.

The GCF of that set is 1.