Lucky Numbers Again

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A lucky number N is defined as a number which has only two factors, both of them distinct and prime and the absolute difference between the two factors is not more than 50. Given two integers, a and b, find the total lucky numbers in the range a to b (inclusive). Input 1.The first input will be T, the number of test-cases. T Output For every test case, print the number of lucky numbers from a t

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solution.cppC++17

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