RPL exercise  Last Digits of Primes (HP 49G, G+, 50g)

06042019, 05:09 PM
(This post was last modified: 06042019 05:13 PM by ttw.)
Post: #30




RE: RPL exercise  Last Digits of Primes (HP 49G, G+, 50g)
Adding to Fred's suggested paper (which is really worth reading) is this Guy's paper.
https://www.ime.usp.br/~rbrito/docs/2322249.pdf One of the examples: D. H. & Emma Lehmer discovered that 2^n=3 (mod n) for n = 4700063497, but for no smaller n > 1. 

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