The GCF of these three numbers is 5.
It is 5 because: 35-1,5,7,35 20-1,2,4,5,10,20 & 15-1,3,5,15
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF of 20, 35 and 45 is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
2 x 2 x 5 = 20 5 x 7 = 35 The GCF is 5.
10 = 2 x 5 20 = 2 x 2 x 5 35 = 5 x 7 GCF = 5
The greatest common factor (usually abbreviated GCF) of 15, 35, and 20, is 5.