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primes-1We call a positive number of the form , where are prime numbers, a number. How many numbers are there in the interval ()? Input specificationThe first line contains , the number of test cases. Then lines follow with the numbers . Output specificationlines with the requested numbers . Constraints
Sample input 1
Sample output 1
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| University of Debrecen; Faculty of Informatics; v. 09/30/2024 |