No whole numbers, if that's what you mean, except for the trivial 1 x 13. 13 is a Prime number.
The two numbers you are looking for are -15 and 4. When you multiply -15 and 4, you get -60, and when you add them together, you get -13.
13 x 1
1 and 13
6.5 and 2
12 and 13
13*13
The two numbers you are looking for are -15 and 4. When you multiply -15 and 4, you get -60, and when you add them together, you get -13.
1 and 13
13 x 1
13 and 3
6.5 and 2
How about: 13 times 13 = 169
5*13 = 65
9*13 = 117
-1
27
13*31=403 13 and 31 are prime numbers.