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 Showing results 1 to 25 of 1000 Search took 0.17 seconds. Search: Posts Made By: a1call
 2021-05-12, 19:56 Replies: 6 Views: 67 Posted By a1call No such implications was implied. I am very much... No such implications was implied. I am very much aware of how awesome these achievements are. I was only pointing out a lack in the definition's preciseness. It is a shame to have the meaning not...
 2021-05-12, 14:31 Replies: 6 Views: 67 Posted By a1call @Dr Sardonicus, I agree with your assessment... @Dr Sardonicus, I agree with your assessment that a probable prime should be defined clearly as an integer which passes some probable-primality-test such as the Fermat test and is not known to be...
 2021-05-12, 10:40 Replies: 6 Views: 67 Posted By a1call It is semantics and the intention is obvious here... It is semantics and the intention is obvious here but: https://en.m.wikipedia.org/wiki/Probable_prime Accordingly, a pseudoprime (composite) can be categorized as a PRP with that...
 2021-05-12, 09:57 Replies: 6 Views: 67 Posted By a1call Discussion of definitions I think it is important to distinguish (here) between known pseudoprime PRP's and Probably-Prime PRP's. There is a known Carmichael numbers with much greater digits count. ...
 2021-05-08, 15:52 Replies: 6 Views: 426 Posted By a1call Nice. A numeric example for 2n-1 = 65: ... Nice. A numeric example for 2n-1 = 65: https://www.wolframalpha.com/input/?i=y%3D%28x%5E2-%28%28%2865%2B1%29%2F2%29%5E2-%28%2865%2B1%29%2F2%29%29%29%2F65+solve+for+over+the+integer ETA: No...
 Forum: Hardware 2021-05-06, 12:11 Replies: 18 Views: 616 Posted By a1call My Ryzen 9 system behaves quite differently from... My Ryzen 9 system behaves quite differently from any/many quad Intel/AMD systems I have owned throughout the years. In my experience the quads would heat up more, the more load/cores/threads are...
 Forum: Lounge 2021-05-04, 13:50 Replies: 40 Views: 2,781 Posted By a1call Yes, what's that all about? Why not chose the... Yes, what's that all about? Why not chose the sorted/logical format like the rest of the world. AFAIK this is not a matter of Metric vs. Imperial and the Brits/Canadians used the sorted format even...
 Forum: Cloud Computing 2021-04-30, 14:32 Replies: 14 Views: 442 Posted By a1call IIRC I bought a windows pro for $200 and change.... IIRC I bought a windows pro for$200 and change. Granted it is not a server version but you can RDP to it and is for some reason lacking from any available instances anywhere. I wouldn't be so...
 Forum: Cloud Computing 2021-04-30, 12:38 Replies: 14 Views: 442 Posted By a1call I haven't used cloud computing for number... I haven't used cloud computing for number crunching for a long time, so I might be wrong, but the last time I checked it was more cost effective to buy equivalent hardware than rent it from the main...
 Forum: Hardware 2021-04-28, 16:07 Replies: 77 Views: 9,054 Posted By a1call Precisely so, I have used a CPU-less FPGA in a... Precisely so, I have used a CPU-less FPGA in a past job to design a NDT module. I have this way-on-the-backburner/dream project to create a module that would perform arbitrary-precision...
 Forum: Miscellaneous Math 2021-04-19, 03:10 Replies: 26 Views: 649 Posted By a1call Here is an update to the output in Post number 4:... Here is an update to the output in Post number 4: M2 M3 M5 M7 M13 M17 M19
 Forum: Miscellaneous Math 2021-04-18, 11:43 Replies: 26 Views: 649 Posted By a1call You will get the same results from Wolfram Alpha:... You will get the same results from Wolfram Alpha: https://www.wolframalpha.com/input/?i=X%5E2+%3D+19+mod+9 https://www.wolframalpha.com/input/?i=X%5E2+%3D+35+mod+9
 Forum: Miscellaneous Math 2021-04-18, 07:21 Replies: 26 Views: 649 Posted By a1call 25 is coprime to 9 but it does not pass the... 25 is coprime to 9 but it does not pass the test::smile: qfbprimeform(9, 25) *** at top-level: qfbprimeform(9,25) *** ^------------------ *** qfbprimeform: not a prime...
 Forum: Miscellaneous Math 2021-04-18, 06:41 Replies: 26 Views: 649 Posted By a1call Do you mean every Prime-Number? ... Do you mean every Prime-Number? qfbprimeform(9, 19) %3 = Qfb(19, 3, 0, 0.E-38) (02:38) gp > (02:38) gp > (02:38) gp > qfbprimeform(9, 15) *** at top-level: qfbprimeform(9,15) *** ...
 Forum: Miscellaneous Math 2021-04-18, 05:47 Replies: 26 Views: 649 Posted By a1call ETA IV, Please ignore ETA III, M11 passes with... ETA IV, Please ignore ETA III, M11 passes with 121, but not with 9.:smile:
 Forum: Miscellaneous Math 2021-04-18, 04:43 Replies: 26 Views: 649 Posted By a1call A PARI-GP version. I find it quite... A PARI-GP version. I find it quite interesting. Well done, LarsNet! \\DXT-100-A
 Forum: Lounge 2021-04-13, 16:13 Replies: 1,363 Views: 120,220 Posted By a1call You are correct, it does not compute.... You are correct, it does not compute. Blood-thinners usually cause bleeding which is the opposite of a blood-clot. They are generally given to people at risk of getting blood-clots. it is...
 Forum: Software 2021-04-11, 20:33 Replies: 12 Views: 369 Posted By a1call Could throttling due to excessive heat be the... Could throttling due to excessive heat be the reason for significant increased timings per iterations? Do the CPU'S maintain their temperature when all cores are utilized?
 Forum: Software 2021-04-11, 18:58 Replies: 12 Views: 369 Posted By a1call This may or may not work, but I would setup a... This may or may not work, but I would setup a virtual machine and run the program in there. I assume you will be able to pool all the cores into a single virtual CPU that way. Others might correct...
 Forum: Homework Help 2021-04-11, 16:43 Replies: 36 Views: 1,766 Posted By a1call I'm afraid you are giving me too much credit for... I'm afraid you are giving me too much credit for being able to do arithmetic in my head. I actually used Pari and specifically remember getting 2 as the valuation. I can only assume that it must have...
 Forum: Homework Help 2021-04-10, 02:02 Replies: 36 Views: 1,766 Posted By a1call Thank you for the correcting my mistake... Thank you for the correcting my mistake charybdis. Somehow I erred at computing the valuation(OP-Number-1,2) as 2 rather than 3. In the integer field if valuation(n-1,2) =n' for any positive...
 Forum: Homework Help 2021-04-09, 22:50 Replies: 36 Views: 1,766 Posted By a1call ETA III You can also be sure that at least one of... ETA III You can also be sure that at least one of the prime factors of OP-Number will be of the form 4*n+1 where n is an odd integer.
 Forum: Homework Help 2021-04-09, 21:44 Replies: 36 Views: 1,766 Posted By a1call 33765749444723236975938383549571694531728722961303... 33765749444723236975938383549571694531728722961303548619829414070181324100^2+1 = 6811381392746490569 x ...
 Forum: Miscellaneous Math 2021-04-06, 05:19 Replies: 11 Views: 298 Posted By a1call Obviously not in integer bases with infinite... Obviously not in integer bases with infinite digits. What bases/base would that number be a Cinderella in? Base 10 only? Wouldn't that be too arbitrary? Just because we have 10 toes?
 Forum: Miscellaneous Math 2021-04-06, 04:40 Replies: 11 Views: 298 Posted By a1call Let p be any prime greater than 2*11. Let... Let p be any prime greater than 2*11. Let b=p-11 then, p can always be written as p=1:11b as a 2 digit number in base b. Changing the 1st digit to 0 will not make it behave like Cinderella. It...
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