20230313, 19:38  #617  
Nov 2019
2^{3}·3 Posts 
Quote:
In the case of 500K+, this will not be possible. 

20230315, 10:23  #618  
Sep 2010
Weston, Ontario
11110001_{2} Posts 
Quote:


20230315, 10:29  #619 
Sep 2010
Weston, Ontario
F1_{16} 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}·163 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
2^{2}·163 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
2^{2}·163 Posts 
Quote:
https://pzktupel.de/Primetables/TableLeyland1.php https://pzktupel.de/Primetables/TableLeyland2.php 

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