20230313, 19:38  #617  
Nov 2019
29 Posts 
Quote:
In the case of 500K+, this will not be possible. 

20230315, 10:23  #618  
Sep 2010
Weston, Ontario
13·19 Posts 
Quote:


20230315, 10:29  #619 
Sep 2010
Weston, Ontario
13·19 Posts 
L(79455,73828) @ 386805 digits is a new PRP. This is my first find since May 2022.

20230315, 18:59  #620  
Jan 2007
Germany
2^{2}×13^{2} Posts 
xyyx table
Quote:
https://pzktupel.de/Primetables/TableXYYX.php I hope there is no problem. BTW, 104824^5 + 5^104824 should get also a "P" Are there also a list for x^yy^x ? regards Last fiddled with by Cybertronic on 20230315 at 19:01 

20230316, 08:55  #621  
Jan 2007
Germany
1010100100_{2} Posts 
Quote:
https://pzktupel.de/Primetables/TableXYYX2.php Last fiddled with by Cybertronic on 20230316 at 08:55 

20230321, 11:35  #622  
Jan 2007
Germany
1010100100_{2} Posts 
Quote:
https://pzktupel.de/Primetables/TableLeyland1.php https://pzktupel.de/Primetables/TableLeyland2.php 

20230428, 04:56  #623 
"Norbert"
Jul 2014
Budapest
127 Posts 
Another new PRP:
23462^35343+35343^23462, 154462 digits. Hans: chesswanks.com/num/a094133.txt URL can I not reach 
20230428, 16:40  #624 
Sep 2010
Weston, Ontario
F7_{16} Posts 

20230501, 21:08  #625 
Sep 2010
Weston, Ontario
13×19 Posts 
L(86206,33381) @ 389953 digits is a new PRP.

20230510, 13:11  #626 
Jun 2012
Boulder, CO
2×227 Posts 
Here's a new one:
Code:
300102^59935+59935^300102 is 3PRP! (41571.6765s+0.0174s) 
20230511, 01:31  #627 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
23671_{8} Posts 
Nice and large! Congrats!
Records are there to be beaten! I remember how 15^328574+328574^15 stayed on top for 7 years, but since '21 the Levai team was ruling for a while... you probably ruined their day today 
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