What numbers go into 4805?

Answer 1

Start by finding the prime factorization:

4805 = 5 x 961 = 5 x 31 x 31.

Put these 3 factors together in all possible ways:

5

31

5 x 31 = 155

31 x 31 = 961

These are the "interesting" numbers that go into 4805. Of course, 4805 is also evenly divisible by 1 and by 4805.