The GCF is 4.
The GCF is 1.
The GCF is 4.
The GCF is 4.
Since 32 is a factor of 256, it is automatically the GCF.
The greatest common factor (gcf) of 28 and 36 is 9.
The GCF is 4.
The GCF is 8. 32/40 = 4/5
The GCF is 4.
The GCF is 4.
The GCF is 4.
You need at least two numbers to find a GCF. If that's 32, 40 and 28, the GCF is 4.
Factors of 16: 1, 2, 4, 8, 16 Factors of 28: 1, 2, 4, 7, 14, 28 Factors of 32: 1, 2, 4, 8, 16, 32 GCF (16, 28, 32) = 4