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Factors multiply. The same set of numbers won't add up to both 140 and 240, but 120 and 20 are factors of 240 that total 140.
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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.
Factors multiply, like 1 x 11. Addends add, like 5 and 6.
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no 11 is not a perfect number because when u add the factors the don't add up to 11
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15 and 4 are the factors of 120 that add up to 19.
Factors multiply. The same set of numbers won't add up to both 140 and 240, but 120 and 20 are factors of 240 that total 140.
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