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Earn +20 ptsQ: What are all the proper factors of 30?
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What are all the proper factors of 220?
The proper factors of 220 are 2,4,5,10,11,20,22,44,55,110
All the proper factors of 35?
1, 5, 7, and 35 are the factors of 35. The proper factors are 5 and 7.
All the proper factors of 47?
47 is a prime, so its only factors are 1 and 47. Prime numbers don't have "proper" factors.
What is the sum of all the factors of 30?
The sum of the positive whole-number factors of 30 is 72.
What does Abundant Deficient and perfect mean?
Abundant is a number for which the sum of all its proper factors is greater than the number itself. Deficient is a number for which the sum of all its proper factors is less than the number itself. Perfect is a number for which the sum of all its proper factors is the number itself.
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