1 x 169 13 x 13
1 and 13
6.5 and 2
-5 and -8
No whole numbers, if that's what you mean, except for the trivial 1 x 13. 13 is a prime number.
1 x 169 13 x 13
13*13
16 and -3 are the numbers which gives -48 when multiplied and 13 when added
1 and 13
6.5 and 2
13 and 3
Multiply to do 39 and + - to 1
How about: 13 times 13 = 169
-1
5*13 = 65
9*13 = 117
27