1. 56 and 65 are coprime.
The GCF is 1.
1
The GCF is 4.
The GCF is 4.
The GCF is 5.
It is: 1
The GCF of 23 and 65 is 1.The GCF of 35 and 52 is 1.The GCF of 18 and 56 is 2.
The GCF of 56 and 160 is 8. The LCM is 1120.
The same as the gcf of 65 and 20 (65 is calculated as 85 - 20). Better yet, the same as the gcf of 20 and 5 (5 is calculated as the remainder of the division 85 / 20).
The GCF is 5.
The GCF of 20, 28, and 56 is 4.
It is: 4