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Q: What is the greatest common factor of 77 and 143?

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The greatest common factor of 77 and 84 is 7.

The greatest common factor of 77 and 88 is 11, and it is also the greatest prime factor.

11

The answer is 11. To find the Greatest Common Factor of a set of numbers, first find the prime factors of each number. 77 = 7 x 11 132 = 2 x 2 x 3 x 11 143 = 11 x 13 Then notice the factor(s) in common to every number, and multiply them together if there are more than one.

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

Related questions

Greatest common factor of 77 33 and 143 is 11.

The GCF of 77, 121 and 143 is 11.11

11

11

11

The GCF is 11.

The GCF is 11.

The GCF is 11.

The GCF is 11.

The GCF is 11.

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.

The GCF is 11.It is: 11

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