mersenneforum.org

mersenneforum.org (https://www.mersenneforum.org/index.php)
-   XYYXF Project (https://www.mersenneforum.org/forumdisplay.php?f=110)
-   -   Leyland Primes: ECPP proofs (https://www.mersenneforum.org/showthread.php?t=19348)

RichD 2016-01-23 03:08

A few more Primo proofs:

[url="http://factordb.com/index.php?id=1100000000812836487&open=prime"]2771^2640+2640^2771[/url]
[url="http://factordb.com/index.php?id=1100000000812836497&open=prime"]2779^1632+1632^2779[/url]
[url="http://factordb.com/index.php?id=1100000000812836504&open=prime"]2779^2560+2560^2779[/url]

XYYXF 2016-02-14 21:21

Thank you Rich.

RichD 2017-06-16 03:04

Several more Primo proofs:

[url="http://factordb.com/index.php?id=1100000000936468038&open=prime"]2495^2424+2424^2495[/url]
[url="http://factordb.com/index.php?id=1100000000936468076&open=prime"]2528^2031+2031^2528[/url]
[url="http://factordb.com/index.php?id=1100000000936116882&open=prime"]2553^974+974^2553[/url]
[url="http://factordb.com/index.php?id=1100000000936116954&open=prime"]2573^1134+1134^2573[/url]

RichD 2017-07-30 16:43

Yet a few more Primo proofs.
I believe this completes all PRPs where x<2800.

[url="http://factordb.com/index.php?id=1100000000537925843&open=prime"]2448^535+535^2448[/url]
[url="http://factordb.com/index.php?id=1100000000537925880&open=prime"]2453^2094+2094^2453[/url]
[url="http://factordb.com/index.php?id=1100000000537925889&open=prime"]2460^671+671^2460[/url]
[url="http://factordb.com/index.php?id=1100000000537925894&open=prime"]2463^1274+1274^2463[/url]
[url="http://factordb.com/index.php?id=1100000000537926175&open=prime"]2470^1249+1249^2470[/url]
[url="http://factordb.com/index.php?id=1100000000939418216&open=prime"]2473^1188+1188^2473[/url]
[url="http://factordb.com/index.php?id=1100000000939395721&open=prime"]2481^2432+2432^2481[/url]
[url="http://factordb.com/index.php?id=1100000000939419263&open=prime"]2489^1858+1858^2489[/url]
[url="http://factordb.com/index.php?id=1100000000536776629&open=prime"]2494^635+635^2494[/url]
[url="http://factordb.com/index.php?id=1100000000936116856&open=prime"]2522^537+537^2522[/url]
[url="http://factordb.com/index.php?id=1100000000939419962&open=prime"]2543^414+414^2453[/url]
[url="http://factordb.com/index.php?id=1100000000813529235&open=prime"]2675^298+298^2675[/url]

RichD 2017-10-29 00:05

A few more Primo proofs.
This should complete all PRPs where x<3000.

[url=http://factordb.com/index.php?id=1100000000936469430&open=prime]2803^916+916^2803[/url]
[url=http://factordb.com/index.php?id=1100000000936469499&open=prime]2823^836+836^2823[/url]
[url=http://factordb.com/index.php?id=1100000000936469517&open=prime]2826^1289+1289^2826[/url]
[url=http://factordb.com/index.php?id=1100000000572260258&open=prime]2831^666+666^2831[/url]
[url=http://factordb.com/index.php?id=1100000000676169466&open=prime]2843^208+208^2843[/url]
[url=http://factordb.com/index.php?id=1100000000936469590&open=prime]2883^1136+1136^2883[/url]
[url=http://factordb.com/index.php?id=1100000000936469604&open=prime]2890^1671+1671^2890[/url]
[url=http://factordb.com/index.php?id=1100000000936469613&open=prime]2892^2035+2035^2892[/url]
[url=http://factordb.com/index.php?id=1100000000936469627&open=prime]2974^2735+2735^2974[/url]
[url=http://factordb.com/index.php?id=1100000000936469650&open=prime]2987^2680+2680^2987[/url]
[url=http://factordb.com/index.php?id=1100000000936469695&open=prime]2996^1563+1563^2996[/url]

Dylan14 2019-08-04 00:32

It's been a while since I've seen a primality proof of a Leyland number here, so to rectify that, earlier today I did the proof of 214^3147+3147^214: [URL]http://factordb.com/index.php?id=1100000000420123164[/URL]

kruoli 2021-07-12 20:05

Whoops, I just saw this thread here. If wished for, would you please move my posts with the proof reservations from the other thread here?


All times are UTC. The time now is 04:17.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.