find the prime factorization
120
56
find the GFC
16 and 20
9 and 36
35 and 42
Prime factorization of 120: 2^3 * 3 * 5
Prime factorization of 56: 2^3 * 7
GFC of 16 and 20: 4
GFC of 9 and 36: 9
GFC of 35 and 42: 7
120
56
find the GFC
16 and 20
9 and 36
35 and 42
Prime factorization of 56: 2^3 * 7
GFC of 16 and 20: 4
GFC of 9 and 36: 9
GFC of 35 and 42: 7