The GCF is 7.
the answer is 7
The greatest common factor of 42, 77 and 84 is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The greatest common factor of 21 and 77 is 7.
The greatest common factor of 22 and 77 is 11.
The greatest common factor of 77 and 143 is 11.
The greatest common factor of 90 , 77 = 1
The greatest common factor of 77 and 88 is 11, and it is also the greatest prime factor.
The numbers that go into 42 and 77 are their common factors. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42, while the factors of 77 are 1, 7, 11, and 77. The common factor between them is 1 and 7. Therefore, the greatest common divisor (GCD) of 42 and 77 is 7.