Numbers 
Factors 
Common Factors 
GCF 
32 
±1, ±2, ±4, ±8, 16, ±32 
±1 
1 
65 
±1, ±5, ±13,
±65 
Note that in this example neither 32 nor 65 is
prime. Since they have the numbers 1 and 1 as the only common factors, 32 and 65 are
relatively prime to each other.
