The GCF is 2.
the greatest common factor of 72 and 20 is 2
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
2
The GCF is: 1
The GCF of 15, 24, and 72 is 3. There is no GCF for 63, 20, and 50. This makes it relatively prime.
GCF of 40 and 62 is 2.
The same as the product of the original numbers, 1440.