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MathNet 2015-part-01 — 191 problems (EN–VI) Question 84

Math Olympiad Vault · MathNet 2015-part-01 — 191 problems (EN–VI)

Question 84

a) After division of a positive integer $n$ by two positive integers one has two remainders different from zero.
Is it possible for $n$ to be the sum of these two remainders?

b) After division of a positive integer $n$ by $29$, $39$, and $59$ one has three nonzero remainders such that their sum is equal to $n$.
Find all possible values of $n$.