3
The GCF is 3.
The GCF is 1.
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.
What is the greatest common factor shared by 51 and 21?
It is: 3
21 - 1, 3, 7, 21 51 - 1, 3, 17 ,51 the GCF is 3
The GCF is 1.
GCF of 21 and 51 is 3.21=3*751=3*17
The GCF is 3.
The GCF is 17.
The GCF is 3.