mersenneforum.org Link for primes collect
 User Name Remember Me? Password
 Register FAQ Search Today's Posts Mark Forums Read

 2020-10-31, 03:06 #1 sweety439     Nov 2016 34·31 Posts Link for primes collect Last fiddled with by sweety439 on 2020-10-31 at 03:50
 2020-10-31, 03:36 #2 sweety439     Nov 2016 34·31 Posts Link 1: * Smallest prime of the form k*b^n+-1 with n>=1 for bases 2<=b<=1030 and k=b-1 for bases 3<=b<=10000 * Primes of the form n*b^n+1 with n>=1 for bases 101<=b<=10000 * Primes of the form x^y*y^x+1 * Primes of the form x^y*y^x-1 * Primes of the form (n+-1)*b^n+-1 with n>=1 for bases 2<=b<=128 * Primes of the form (x^y+-1)*y^+-1 with x=2 or y=2 * Primes of the form b*(b+1)^n-1 with n>=1 and bases 2<=b<=2048 * Primes of the form (b^n+-1)^2-2 with n>=1 and bases b = 2, 6, 10, 14, 22, 204 * Numbers n such that k*2^n+1 and k*2^(n+1)+1 are both primes Link 3: * Primes of the form n*b^n+1 with n>=1 for bases 3<=b<=100 Link 4: * Primes of the form (b^p-1)/(b-1) with prime p for 2<=b<=160 * Primes of the form (b^p+1)/(b+1) with odd prime p for 2<=b<=160 * Primes of the form (b+1)^p-b^p with prime p for 1<=b<=160 * Primes p such that n^p-1 == 1 mod p^2 for 2<=n<=10125 Link 5: * Numbers n such that k*2^n+-1 are both primes * Numbers n such that k*2^n-1 and k*2^(n+1)-1 are both primes Link 6: * Smallest prime of the form k*2^n+-1 with even/odd n>=1 for k
 2020-10-31, 03:45 #3 sweety439     Nov 2016 1001110011112 Posts GitHub Pages for the smallest n>=1 such that (k*b^n+-1)/gcd(k+-1,b-1) created by me: k
 2020-10-31, 23:14 #4 sweety439     Nov 2016 47178 Posts
 2020-11-04, 01:10 #5 sweety439     Nov 2016 34·31 Posts Another link for right-truncatable primes: http://fatphil.org/maths/rtp/rtp.html
 2020-11-06, 12:07 #6 sweety439     Nov 2016 34×31 Posts A link of generalized repunit primes (achieved): https://web.archive.org/web/20021001...ads/index.html List of generalized repunit proven primes >= 100 decimal digits List of generalized repunit (probable) primes bases 2 to 999 Last fiddled with by sweety439 on 2020-11-06 at 12:08
2020-11-08, 11:18   #7
sweety439

Nov 2016

47178 Posts

Quote:
 Originally Posted by sweety439 Another link for right-truncatable primes: http://fatphil.org/maths/rtp/rtp.html
Another link for left-truncatable primes: http://chesswanks.com/num/LTPs/

 2020-11-08, 13:45 #8 sweety439     Nov 2016 251110 Posts Link for factorization of Fibonacci/Lucas numbers: http://mersennus.net/fibonacci//
 2020-11-08, 13:50 #9 sweety439     Nov 2016 34·31 Posts https://brnikat.com/nums/: factorization of Homogeneous Cunninghams numbers (a^n+-b^n) and generalized Cullen/Woodall numbers (n*b^n+-1) and n!+-1
 2020-11-08, 14:02 #10 sweety439     Nov 2016 1001110011112 Posts GIMPS main page (factorization of Mersenne numbers): https://www.mersenne.org/
 2020-11-09, 16:35 #11 sweety439     Nov 2016 47178 Posts

 Thread Tools

 Similar Threads Thread Thread Starter Forum Replies Last Post mgb PARI/GP 0 2019-07-21 20:47 PathFinder PrimeNet 4 2008-10-27 19:02 drew Soap Box 28 2008-04-02 15:43 Xyzzy Lounge 70 2006-04-10 15:49 Xyzzy Lounge 4 2003-06-28 13:37

All times are UTC. The time now is 08:20.

Mon Nov 30 08:20:47 UTC 2020 up 81 days, 5:31, 3 users, load averages: 1.18, 1.16, 1.24

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.