The GCF of these numbers is 40.
50
21 and 42 have a GCF of 21. 40 and 80 have a GCF of 40. The GCF of 21 and 40 is 1.
If you mean 40 and 80 then the GCF is 40
The GCF is 5.
The GCF is 24.
The GCF of 40 and 120 is 40.Since 40 is a factor of 120, it is automatically the GCF.
The GCF of these numbers is 40.
The GCF is 4.
The GCF is 40.
GCF of 40 and 62 is 2.
2^5 x 3
50
The GCF is 4.
The GCF is 5.
The GCF is 4.
The GCF is 20.