The numbers are 17 and 18.
The prime factorization for 18 is: 2 x 9 2 x 3 x 3, so the two prime numbers that give you 18 are 2 and 3.
56
18
18 and 6.
The numbers are 17 and 18.
The prime factorization for 18 is: 2 x 9 2 x 3 x 3, so the two prime numbers that give you 18 are 2 and 3.
-11
56
18 and -5
120
29
18
18 and 6.
-137
6 and 18
There are four factor pairs of 40 totaling 13, 14, 22 and 41, none that total 18.