C - Alex and Integer

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Alex likes Composite numbers. He wants to find beautiful number for an integer n. A beautiful number $m$ for an integer $n$ is the smallest positive integer that n·m + 1 is a Composite number. ### Input First line will contain t, number of testcases. Then the testcases follow The first line of each test case contains a single integer n. ### Output Output the smallest positive integer $m$ such t

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solution.cppC++17

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