What are the factors for 640?

Answer 1

1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 126, 132, 154, 168, 198, 231, 252, 264, 308, 396, 462, 504, 616, 693, 792, 924, 1386, 1848, 2772, 5544.

Answer 2

The factors of 645 are: 1, 3, 5, 15, 43, 129, 215, 645.

Answer 3

The factors of 644 are: 1 2 4 7 14 23 28 46 92 161 322 644

Answer 4

The factors of 1,444 are: 1 2 4 19 38 76 361 722 1,444

Answer 5

642/2=321

321/3=107

642=2*3*107

Answer 6

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640

Answer 7

The factors of 6,440 are:
1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440.

Answer 8

1, 2, 3, 6, 107, 214, 321, 642