-10 and 2
-12 and 4
-20 and 12
140
-172
15
Factors multiply, like 4 and 6 or 3 and 8 or 2 and 12.
The common factors are: 1, 2, 4, 8
113
140
The factors of 8 are 1, 2, 4 and 8.
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
134
The factors of 21 that add up to 8 are 1 and 7.
Factors of 250 that add up to 8 = 1 + 2 + 5
-15+-8=-23 -15*-8=120
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.
7 and -8
They are: -2-8 = -10
120