The Dinner Request

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Alice is irritating Bob to take her out for dinner. But, Bob is not interested as he has solve this problem given by his boss, Mr. Network. The problem is as follows: Let F(N) denote the number of factors of N, including 1 and N. Given a number N, Bob needs to find out if the value F(N) = 2 or not. If Alice can solve the problem, then Bob will take her to dinner. Alice needs your help, help her!

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solution.cppC++17

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