Best Answer

Factorize both numbers:

22 = 11 * 2

55 = 11 * 5

The only common factor is 11, anyway. You can say GCF = 11.

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Q: What is the gcf of 22 and 55?

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The GCF is 11.

The GCF is 11.

The GCF is 5.

The GCF is 1

The GCF is 5.

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