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Need help in my code. I need to find or place a looping statement in here to test all division possilibilies. I'm not sure in where to put the looping statement at. Thanks.
I have a webpage where you put in the number you test the possibilities, but just need help in put the looping statement in.
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I think you are doing extravagant calculation.I have very easy solution. If following condition satisfies then the given number is prime.
2^(k-1) % k = 1
where k=input number
the algorithm is
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