Prime Factorisation

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Shibam is given an assignment by his Maths teacher to find the number of 2-Prime numbers from 1 to N. A 2-Prime number is defined to be a number that has exactly two distint prime divisors. For example, numbers 6, 18, 24 are 2-Prime, while 4, 8, 9, 42 are not. Help Shibam complete his assignment which consists of T questions. Input First line will contain T, number of testcases. Then the testcas

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solution.cppC++17

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