5 and 9 are factors of 45.
The GCF of 5 and 45 is 5.
The LCM of 5 and 45 is 45.
5 x 9 = 45
5 x 9 = 45
9
5 x 9 = 45
9 is paired with 6 to give you 54. 9x6 is 54.
Six is not a factor of 45.
6 is not a factor of 45.
Six is not a factor of 45 and cannot be part of a factor pair.
3 x 15 = 45
There is no answer to this question within the normal context of "factor" and "paired".
3
5 is not a factor of 57.