The GCF is 1.
1. 13 is a prime number, so it has only 1 and 13 as its factors, and 142 can't be divided by 13, so the GCF here is 1.
Since 71 is a factor of 142, it is automatically the GCF.
The greatest common factor of the numbers 142 and 842 is 2.
The GCF is 5.
The GCF is 5.
The GCF is 13.
The gcf of 260 and 325 is 65.
The GCF is 1.
The GCF is 5.
The GCF is 65.
The GCF of 15 and 65 is 5.
GCF(58, 65) = 1