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Look at the prime factorisation of both numbers: 22 = 2 * 11 77 = 7 * 11 There is only one common factor and that is 11.

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15y ago
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9y ago

The GCF is 11.

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Q: What is the greatest common factor for 22 and 77?
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What is the greatest common factor of 22 and 77?

The greatest common factor of 22 and 77 is 11.


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