Question

What is the greatest common factor of twenty-eight and forty-two?

Answer 1

list down factors of both

Answer 2

with 1 being the least greatest common factor, work your way up i guess..i think its 1 up from 1..so in other words 2..but Check it.

Answer 3

2,4,7,14

Answer 4

great ! that for 28
list down the factors for 42 also

Answer 5

those are the only numbers

Answer 6

it would be the last one..or the greatest number..lol

Answer 7

factors of 28 : 1, 2, 4, 7, 14, 28
factors of 42 : 1, 2, 6, 7, 14, 21, 42

Answer 8

which one is the highest COMMON factor ?

Answer 9

ohh i see!

Answer 10

great !

Answer 11

thanks

Answer 12

yw :)