The greatest common factor of the numbers 55, 77 and 143 is 11.
Common factors of 55: 1, 5, 11, and 55.
Common factors of 77: 1, 7, 11, and 77.
Common factors of 143: 1, 11, 13, and 143.
So the greatest common factor is 11.
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The GCF is 11.
The GCF is 11.
The GCF is 11.It is: 11
11 and 15 22
The greatest common factor of the numbers 7, 77 and 770 is 7.