45 = 3 x 15
3 and 15.
3 and 15
3 and 15
35 is a multiple of 7 7 and 1 are a factor pair of 7. 3 and 5 are a factor pair of 15
15 and 6 are a factor pair of 80.
15 and 30
15 and 30
Since 5 is a factor of 15, it is automatically the greatest common factor of the pair.
15 and 30 have a GCF of 15. There are other such pairs.
15 and 30 is just one pair of number that has a greatest common factor of 15
The lowest common factor of any pair of positive integers is 1. The highest common factor of 15 and 30 is 15
The GCF of 8 and 15 is 1.