20221108, 21:30  #595 
Nov 2019
3·7 Posts 
Two new Leyland PRP:
101643^87368+87368^101643, index: 6136565930, 502254 digit 101839^83028+83028^101839, index: 6107998207, 500969 digit 
20221108, 21:32  #596 
Nov 2019
3·7 Posts 

20221124, 23:18  #597 
"Norbert"
Jul 2014
Budapest
7C_{16} Posts 
Hans: chesswanks.com/num/a094133.txt URL can I not reach. Is offline or online the page?

20221125, 02:25  #598 
Sep 2010
Weston, Ontario
2×7×17 Posts 
Hopefully I have fixed it.

20221125, 13:34  #599 
"Norbert"
Jul 2014
Budapest
1111100_{2} Posts 
Hopefully I have fixed it.
Yeah it's OK now. 
20221205, 18:12  #600 
"Norbert"
Jul 2014
Budapest
2^{2}·31 Posts 
Another new PRP:
39470^39537+39537^39470, 181723 digits. 
20221228, 19:16  #601 
"Norbert"
Jul 2014
Budapest
2^{2}·31 Posts 
Another new PRP:
515^63898+63898^515, 173280 digits. 
20230109, 17:03  #602 
Aug 2020
79*6581e4;3*2539e3
293_{16} Posts 
The 59k+ digits Leyland prime
3^125330 + 125330^3 was proven prime via ECPP in mid December by Greg Childers, which, to my knowledge, makes it the largest prime proven via ECPP. However, so far it hasn't been included in the ECPP list at prime.utm.edu. Does anyone know the reason? The certificate is uploaded and verified to/by factordb. 
20230109, 17:50  #603  
Sep 2002
Database er0rr
118F_{16} Posts 
Quote:
Last fiddled with by paulunderwood on 20230109 at 17:51 

20230109, 18:28  #604 
Jul 2003
So Cal
2^{3}×5^{2}×13 Posts 
I sent an email a couple of weeks ago but haven't gotten a reply. I just chalked it up to some combination of retiring and the holidays.

20230109, 20:08  #605 
Dec 2008
you know...around...
23·37 Posts 

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