9,5
If you have a set of 45 numbers, then there is one combination that includes all 45 numbers and 45! = 45 x 44 x 43 x ... x 2 x 1 ≈ 1.19622 x 1056 permutations (ways of ordering) all 45 numbers.
1, 90, 30, 3, 2, 5, 18, 45
1,3,5,9,15,45
3 and 5
45
1,3,5,9,15,45
9,5
If you have a set of 45 numbers, then there is one combination that includes all 45 numbers and 45! = 45 x 44 x 43 x ... x 2 x 1 ≈ 1.19622 x 1056 permutations (ways of ordering) all 45 numbers.
1, 90, 30, 3, 2, 5, 18, 45
1,3,5,9,15,45
They are: 1 and 9
1 and 5.
3 and 5
1, 3, 5, 9, 15, 45.
1, 3, 5, 9, 15, 45
Evenly, the numbers 5 and 9 can "go into" the number 45.