21 - 1, 3, 7, 21 51 - 1, 3, 17 ,51 the GCF is 3
The GCF is 3.
The GCF is 3.
The GCF of 34 51 and 85 is 17. This divides into each to give 2, 3 and 5 respectively. There are no further common factors.
The GCF of 51 and 65 is 1. The prime factorization of 51 is 3*17. The prime factorization of 65 is 5*13 They have no factors in common other than 1.
The GCF is 1.
21 - 1, 3, 7, 21 51 - 1, 3, 17 ,51 the GCF is 3
The GCF of 21 and 51 is 3. Both these numbers have only one prime factorization. 21=3*7 51=3*17 So the greatest common divisor is 3.
The GCF/HCF of 17 and 51 is 17.
The GCF is 17.
GCF(51, 34, 68) = 17
The GCF is 17.
The GCF is 17.
GCF of 21 and 51 is 3.21=3*751=3*17
The GCF is 3.
The GCF is 3.
17.