The factors of 21 that add up to 8 are 1 and 7.
15 and 4 are the factors of 120 that add up to 19.
The factors of 56 are 1, 2, 4, 7, 8, 14, 28 and 56.
The common factors of 52 and 56 are: 1, 2, and 4
The factors of 28 are: 1, 2, 4, 7, 14, 28 The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56
The 8 factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. 2 and 8 add up to 10. Also, 1, 2, and 7 add up to 10.
-57
56 + 56 + 28 + 8 + 2 + 1 = 151
The factors of 56 are 1, 2, 4, 7, 8, 14, 28, 56 1120 is a multiple of 56. To find more multiples of 56, add 56 to 1120 and the subsequent totals.
The factors of 21 that add up to 8 are 1 and 7.
268
-8
The factors of 63 are 1,3,7,9,21, and 63 The factors of 56 are 1,2,4,7,8,14,28 and 56. The factors that are shared are 1 and 7. So the common factors of 63 and 56 are 1 and 7.
-1005
167
The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.