Question

find the prime factorization
120
56

find the GFC
16 and 20
9 and 36
35 and 42

Answer 1

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