Question

[Which pair of numbers has 6 as a common factor?
54 and 72
36 and 86
45 and 60
2 and 3

Answer 1

54 and 72 :p

Answer 2

thanks

Answer 3

based on the multiplication table can you factor out a 6?
It's obvious 6 cannot be factored out from 2 and 3.
Then you you know that 6 does not factor out of 45 nor 86... so it gives you 54 and 72 left over. What times what equals 54 and 72?

Answer 4

thanks again