Find the GCF of 20 and 32
Factors of 20: 1, 2, 4, 5, 10, 20Factors of 32: 1, 2, 4, 8, 16, 32Common factors: 1, 2, 4 Answer: GCF is 4
20: 1, 2, 4, 5, 10, 32: 1, 2, 4, 8, 16, 32 the answer is 4