Question

How do you find the common factor for 4,24?

Answer 1

well, a common factor is something that evenly divides into both numbers

Answer 2

so I would start with the biggest - which would be one of the two numbers

Answer 3

does 24 divide into both 4 and 24?

Answer 4

no, it's bigger than 4

Answer 5

does 4 divide into both 4 and 24?

Answer 6

yes! 4/4 = 1, and 24/4 = 6

Answer 7

so 4 is a common factor

Answer 8

how about 3?

Answer 9

nope, 3 does not divide evenly into 4

Answer 10

how about 2? yep, 4/2 = 2, 24/2 = 12

Answer 11

how about 1? well, 1 divides into anything, 4/1 = 4, and 24/1 = 24. so the common factors are 4, 2, and 1