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20
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Rafa
Professor
CoachThe factors of 20 are 1,2,4,5,10 and 20. Factors are number combinations that when multiplied equals 20. Since 1 x 20 =20 they are factors of 20. Same thing with 2x 10 = 20, 4 x 5 = 20, 2 x 10 = 20. Two factors of twenty that make a sum would be 2 + 5 = 7. The "sum" is when two or more numbers are added together.
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What are the factors of 18 that add up to 5?
23
What are the factors of -117?
The factors of 117 are 1,3,9,13,39,and 117The factors of 117 are 1, 3, 9, 13, 39, and 117.1,3,9,13,39,and 1171x117;3x39;9x13To find the factors of a number, it is helpful to know the rules for checking if something is a divisor. One rule is that if a numbers digits add up to 9, the number divides by 9. In this case, 117 has digits which add up to 9, and so can be divided by 9. If we do this, we get 13, which is prime. Thus the prime factors are 3, 3 and 13. These can be combined to get the other factors. Therefore the factors of 117 are 1, 3, 9, 13, 39 and 117.
What are the factors of 8 that add up to 10?
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
How did you come up with 38 as the answer for what four factors add up to 48 and are between 30 and 40?
It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.
What are the factors of 225 that add up to 18?
268
