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First list the factors of each. For 18, that's 1, 2, 3, 6, 9, and 18. For 20, that's 1, 2, 4, 5, 10, and 20. From these, you could add all of the factors of 18 to get 39. Or you could add 20, 10, and 9. Or 20, 10, 5, and 4. Or . . . you get the idea.
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∙ 13y ago
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What 2 factors of -40 that add to -18?
-20 and 2
What two numbers add to give you 20 and multiply to give you 36?
56
What two factors of 140 add to give you 27?
167
What are the factors and prime factors of 18 and 20?
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 20 are: 1, 2, 4, 5, 10, and 20.The prime factors of 20 are: 2 and 5.
What are the common factors of 18 and 20?
The common factors of 18 and 20 are 1 and 2.
What factors of 180 add up to 24?
204
What are the common factors of 18 20 and 24?
The common factors of 18, 20, and 24 are: 1 and 21 and 2
Most factors out of 12 18 or 20?
The factors of 12 are 1, 2, 3, 4, 6, and 12The factors of 18 are 1, 2, 3, 6, 9, and 18The factors of 20 are 1, 2, 4, 5, 10, and 20The common factors of 12, 18 and 20 are 1 and 2The common factors of 12 and 18 are 1, 2, 3, and 6The common factors of 12 and 20 are 1, 2, and 4The common factors of 18 and 20 are 1 and 2The total number of factors for 12, 18 and 20 are all the same (6).
What is a number less than 20 with three factor pairs the factor pairs add up to 19 11 and 9?
The answer is 18.Factors 1*18=18 Factors added 1+18=192*9=18 2+9=113*6=18 3+6=9
What are the factors of 20 that add up to 11?
31
What are the factors 18 and 120?
2 is the factor of 18 and 20.
What are all the common factors of 18 and20?
Common factors of 18 and 20 are: 1 and 2.
