1 and 13
13 x 1
5 times 13
6.5 and 2
No whole numbers, if that's what you mean, except for the trivial 1 x 13. 13 is a prime number.
13*13
1 and 13
13 x 1
Multiply to do 39 and + - to 1
How about: 13 times 13 = 169
5 times 13
6.5 and 2
13 and 3
338
13*31=403 13 and 31 are prime numbers.
No whole numbers, if that's what you mean, except for the trivial 1 x 13. 13 is a prime number.
13 is a prime number, so the only 2 whole numbers that multiply to 13 are 13 and 1.