Question

highest common factor of 32 and 162

Answer 1

32:  2*2*2*2*2    162:   3*3*3*3 GCF:   2        

The Greatest Common Factor (GCF) is:   2

{* = multiply}

Answer 2

32 = 2*2*2*2*2
162 = 2*3*3*3*3
hcf (32,162) = 2