War of numbers

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War of numbers between planets Earth and Nibieru has begun. - In this war, an oracle generates a number $N$ and the beings on the planets, in turns have to calculate a positive integer (other than $1$ or $N$ itself) which divides $N$ and give it to the oracle. Note that a number already given by any planet cannot be used again by any planet. - The planet which is not able to generate such a n

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solution.cppC++17

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