There Is An Infinite Series … But I Bet You Can’t Get The Next In This Sequence … 1, 5, 13, 563 …

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I will give you £100 if you can find the next value in the sequence of 1, 5, 13, 563 …

I can assure you that this is an infinite series and that the next value exists, but you will not have enough energy on the planet to compute the next value.

Prime numbers are used extensively in public-key encryption and have been studied for centuries. One person who studied them was John Wilson, and in 1770, he defined that a prime number was defined…

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.