30-10-2018
Mathematics

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Proof (2^64)-1 is not prime

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rileyvance2006 rileyvance2006

30-10-2018

(2^64)-1 is NOT prime because

2^64 is 18,446,744,073,709,551,616 which is a prime number but when you subtract 1 you get 18,446,744,073,709,551,615 which is not divisable by any two numbers evenly.

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