A factor that would add to a housing shortage is a shortage of skilled labor. Building homes requires architects, contractors, masonaries, electricians, plumbers, and more.
a lack of resources or shortage of money
Add more water
Factors are multiplied, not added. The question needs to be something like, "Which two factors of thirty add up to 11?" The answer would then be 5 and 6.
It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.
When the "factors" of a number are listed, the list is usually restricted to positive factors. Then there would be no answer to the question, because no group of positive numbers can add up to make zero.
-123
23
None. Factors don't add, they multiply.
153
factors of 30 that add to 17 are 2 and 15
The factors of 21 that add up to 8 are 1 and 7.
Factors of 250 that add up to 8 = 1 + 2 + 5
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.