What are the prime factors of 728?

Answer 1

Pairs of positive integers which you multiply to equal 728 are:

1 x 728 = 728

2 x 364 = 728

4 x 182 = 728

7 x 104 = 728

8 x 91 = 728

13 x 56 = 728

14 x 52 = 728

26 x 28 = 728

And their reverses.

Answer 2

The factors of 728 are: 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728.

Answer 3

The positive integer factors of 928 are: 1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928

Answer 4

The factors of 7224 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224.

Answer 5

The factors of 2,780 are: 1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780.

Answer 6

The factors of 528 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528.

Answer 7

The factors of 7285 are 1, 5, 31, 47, 155, 235, 1457, 7285.

Answer 8

1, 2, 139, 278 1, 2, 139, 278

Answer 9

2x2x2x7x13