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 Showing results 1 to 9 of 9 Search took 0.01 seconds. Search: Posts Made By: Viliam Furik
 2020-12-06, 16:05 Replies: 22 Views: 12,102 Posted By Viliam Furik I guess that similar thing is also possible for... I guess that similar thing is also possible for PRP tests, right? If so, could you write a method to work it out?
 2020-12-04, 19:47 Replies: 22 Views: 12,102 Posted By Viliam Furik Periods for M23 do not divide the said product. Periods for M23 do not divide the said product.
 2020-10-20, 23:22 Replies: 22 Views: 12,102 Posted By Viliam Furik I have done the PRP part because I realized that... I have done the PRP part because I realized that if we know the period of the PRP test of a composite exponent, we can run P-1 in a different way (which may or may not be faster, probably not), by...
 2020-10-20, 17:23 Replies: 22 Views: 12,102 Posted By Viliam Furik Period values for starting value 10: M11 -> 10... Period values for starting value 10: M11 -> 10 (1 * 10) M23 -> 32340 (1470 * 22) M29 -> 252 (9 * 28) M37 -> 516924 (14359 * 36) M41 -> 822960 (20574 * 40) M43 -> 420 (10 * 42) They are all...
 2020-08-03, 07:54 Replies: 22 Views: 12,102 Posted By Viliam Furik Спасибо! But it still leaves the question "Why... Спасибо! But it still leaves the question "Why that period?" hanging in the air...
 2020-08-02, 18:27 Replies: 22 Views: 12,102 Posted By Viliam Furik Python code My slow but simple Python code in its entirity: s = 4 for a in range(2 ** 37 + 1): s = (s ** 2 - 2) % (2 ** 37 - 1): if s == 14: print(a)
 2020-08-02, 12:50 Replies: 22 Views: 12,102 Posted By Viliam Furik It simply looks for a value 14, based on previous... It simply looks for a value 14, based on previous observation, that periodicity starts at first modular squaring (S(1) = 14). But to answer previou question, I don't actually know that for sure, it's...
 2020-07-25, 10:00 Replies: 22 Views: 12,102 Posted By Viliam Furik It should be 2^p - 3, or Mp - 2. It should be 2^p - 3, or Mp - 2.
 2020-07-24, 20:10 Replies: 22 Views: 12,102 Posted By Viliam Furik Repeating residues in LL tests of composite Mersenne numbers I have noticed, that when doing LL tests far behind the p-2 iteration, residues start to repeat with a certain period. This happens only for composite Mersenne numbers because when prime ones hit 0,...
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