Question: what is a common factor between 56 and 35?
Answer: The gcf of 56 and 35 can be obtained like this: The factors of 56 are 56, 28, 14, 8, 7, 4, 2, 1. The factors of 35 are 35, 7, 5, 1. The common factors of 56 and 35 are 7, 1, intersecting the two sets above.