I have a hexagon with numbers I have to pair factors number are 4, 6, 8, 9 , 10, 14, 15, 20, 21

1 answer

what does a hexagon have to do with pairing factors?
ANY two numbers are factors of something.

although, that said, we do know that
4 is a factor of 20
The rest are not factors of any of the others.