The common prime factor of 56 and 63 is 7.
7
7
Yes. Their only common factor is 1.
The GCF of 56 and 63 is 7. 56 = 2*2*2*7 63 = 3*3*7 Therefore: 7 is the greatest common divisor (factor) of 56 and 63.
The greatest common factor of 14, 56, and 63 is 7
7
7
The greatest prime factor of 40 is 5. The greatest prime factor of 63 is 7. They do not have any prime factors in common.
The GCF of 21, 56, 63, and 84 is 7.
It is: 7
Break each number into its prime factors: 56 = 23 x 7 63 = 32 x 7 72 = 23 x 32 No prime factors are common to all three numbers, so we conclude that the GCF of the set is 1.
The GCF is 1.
The GCF is 7.
The GCF is 1.