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Integer factorization

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Find the set of all integers, n, for which the fraction20/(10-n*n) is an integer I used n*n for n squared I figured that 10-n*n
1. 1 answer
2. asked by Terri
3. 340 views
Suppose the number 1155 is written as the product of three positive integers. What is the smallest possible value of the sum of
1. 3 answers
2. asked anonymously
3. 19 views