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 Showing results 1 to 25 of 1000 Search took 0.20 seconds. Search: Posts Made By: a1call
 Forum: Homework Help 2021-04-10, 02:02 Replies: 13 Views: 421 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: 13 Views: 421 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: 13 Views: 421 Posted By a1call 33765749444723236975938383549571694531728722961303... 33765749444723236975938383549571694531728722961303548619829414070181324100^2+1 = 6811381392746490569 x ...
 Forum: Miscellaneous Math 2021-04-06, 05:19 Replies: 11 Views: 193 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: 193 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...
 Forum: Miscellaneous Math 2021-04-06, 03:32 Replies: 11 Views: 193 Posted By a1call * I assume this would rule out any such prime... * I assume this would rule out any such prime being a twin prime. * If there are infinite twin primes (or any other Even-number-separated-primes) then there have to be other types of...
 Forum: Miscellaneous Math 2021-04-06, 02:00 Replies: 11 Views: 193 Posted By a1call I assume the 1st such a prime discovered would... I assume the 1st such a prime discovered would qualify for both of the remaining EFF Awards.
 Forum: Miscellaneous Math 2021-04-06, 00:27 Replies: 11 Views: 193 Posted By a1call Digitally delicate prime numbers Didn't see this posted anywhere: https://www.popularmechanics.com/science/math/a36014795/mathematicians-discover-new-kind-of-prime-number/ I holes it's not an April-Fools article.
 Forum: Soap Box 2021-04-05, 12:02 Replies: 44 Views: 930 Posted By a1call Money's volatility is not purely based on... Money's volatility is not purely based on inflation. It too has speculative factors based on the Forex-Market. Forex money pairs fluctuate up as well as down regularly:...
 Forum: Soap Box 2021-04-04, 20:08 Replies: 44 Views: 930 Posted By a1call How is that worse than volatility of money: ... How is that worse than volatility of money: https://www.statista.com/statistics/268225/countries-with-the-highest-inflation-rate/ ...
 Forum: Soap Box 2021-04-04, 18:52 Replies: 44 Views: 930 Posted By a1call The concept of Money/(Cash/Currency) is... The concept of Money/(Cash/Currency) is only-about/more-than a thousand years old. It can not last much longer. It's only a matter of time before someone comes up with a replacement-concept that...
 Forum: Cloud Computing 2021-04-04, 11:25 Replies: 3 Views: 99 Posted By a1call I believe Google and Oracle also both offer free... I believe Google and Oracle also both offer free trials of one month. The free trials are pretty much worthless though, since they generally have a low cap on number of cores that can be utilized....
 Forum: PrimeNet 2021-04-04, 01:26 Replies: 11 Views: 329 Posted By a1call If the North-Pole of a magnet is attracted to the... If the North-Pole of a magnet is attracted to the South-Poles of other magnets, which Pole is the the North-Pole of the magnet in a compass attracted to?
 Forum: PrimeNet 2021-04-03, 20:53 Replies: 11 Views: 329 Posted By a1call One is sufficient when at the dentist. In fact... One is sufficient when at the dentist. In fact telling him "pain in the lower right k9" with corrections for his point of view would result in the wrong tooth being worked on. Which reminds me of an...
 Forum: Lounge 2021-04-01, 01:16 Replies: 2 Views: 167 Posted By a1call Perhaps/Probably: ... Perhaps/Probably: https://www.webbyawards.com/news/interview-with-code-and-theorys-chris-delia/ https://www.webbyawards.com/wp-content/uploads/sites/4/2015/10/CodeTheory-500x433.jpg
 Forum: Information & Answers 2021-03-29, 18:07 Replies: 17 Views: 480 Posted By a1call Why try to win $100k with very low probability of... Why try to win$100k with very low probability of success rather than sub-lease your credits for sure cash? You should get plenty of interested parties at say 1/10 ratio which will put \$10k in your...
 2021-03-28, 00:15 Replies: 34 Views: 2,286 Posted By a1call A single word seems to be missing even from... A single word seems to be missing even from languages associated with cold climates such as Russian and Norwegian. Corrections are welcome. However in English two words have a very similar meaning:...
 Forum: Science & Technology 2021-01-28, 23:48 Replies: 188 Sticky: Poll: COVID vaccination wavefront Views: 8,934 Posted By a1call @Dr. S. What happened to your glasses? Are... @Dr. S. What happened to your glasses? Are you using contact-lenses or did your vision go 20/20 after the shot? As for Canada, we have no production capacity and are totally dependent on shipments...
 Forum: Riesel Prime Search 2021-01-26, 08:21 Replies: 241 Views: 40,521 Posted By a1call By that logic there would be no justification to... By that logic there would be no justification to use more than one method, either TF or PRP-Testing on any given range. But that's not the case now, is it? Both methods are used in practice to weed...
 Forum: Computer Games 2021-01-24, 00:44 Replies: 50 Views: 17,425 Posted By a1call I got started on Pong (what else). Ours would be... I got started on Pong (what else). Ours would be hooked up to the antenna input of the TV. https://en.wikipedia.org/wiki/Pong My all-time favorite was Q*bert. It was a difficult game at 1st. But...
 Forum: FermatSearch 2021-01-18, 00:32 Replies: 335 Sticky: New Fermat factors Views: 59,905 Posted By a1call Been a good year so far for Fermat... Been a good year so far for Fermat factors.:smile: Someone should let the owner of this site know: http://www.prothsearch.com/fermat.html
 Forum: Lounge 2021-01-17, 21:17 Replies: 85 Views: 6,617 Posted By a1call DO NOT TRY THIS AT HOME! ... DO NOT TRY THIS AT HOME! https://youtu.be/yTOCAd2QhGg
 Forum: Miscellaneous Math 2021-01-13, 07:53 Replies: 8 Views: 788 Posted By a1call While the concept does not apply to Mersenne... While the concept does not apply to Mersenne numbers since valuation(Mn,2)==1 It does apply to Fermat numbers greater than F0. The following code will find the 1st (a, b) pair for Fermat...
 Forum: Miscellaneous Math 2021-01-12, 05:25 Replies: 8 Views: 788 Posted By a1call Some more insights from the future (just... Some more insights from the future (just kidding:smile:). So it turns out that the number of (a, b) pairs for each n is a function of number of prime factors of n. If n is prime or otherwise a...
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