101
The factors of a positive number are all positive and can't add up to a negative number.
-3 and -4 are factors of -108 as well as 2 and -9 and -6 and -1
-57
37
-261
167
7 and 3 are two prime numbers that add up to 10 If you meant 73 then that is also a prime number because it has only two factors which are itself and one.
167
The factors of 21 that add up to 8 are 1 and 7.
7 and 1 are two factors of seven. 7+1=8
7 and -8
119
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 2
They are 7 and 2
5
-13
-1, 6 and -12.
They are 7 and 2