Congratulations Dr. Ryan.

One down for the Rieselbase 5 conjecture:
[url='https://primes.utm.edu/primes/page.php?id=134054']64598 * 5^37698541[/url] is prime, 2,635,020 digits, found on 20220614 by PrimeGrid. Curious: the 5 digits of the kvalue appear also in the nvalue. Awaiting official announcement, still some tasks open for this k. 
[QUOTE=kar_bon;607981]One down for the Rieselbase 5 conjecture:
[url='https://primes.utm.edu/primes/page.php?id=134054']64598 * 5^37698541[/url] is prime, 2,635,020 digits, found on 20220614 by PrimeGrid. Curious: the 5 digits of the kvalue appear also in the nvalue. Awaiting official announcement, still some tasks open for this k.[/QUOTE] Congratulations! This is the 97th prime with between 2 million and 3 million digits. There are 10 primes in total (in that range) of the form k* 5^n +/ 1. (8 with 1 and 2 with +1) 
[QUOTE=kar_bon;607981]One down for the Rieselbase 5 conjecture:
[URL="https://primes.utm.edu/primes/page.php?id=134054"]64598 * 5^37698541[/URL] is prime, 2,635,020 digits, found on 20220614 by PrimeGrid. Curious: the 5 digits of the kvalue appear also in the nvalue. Awaiting official announcement, still some tasks open for this k.[/QUOTE] Even more curious: The digits 3 through 9 all occur 1 time in the nvalue. 
And there is new one :)
[URL]https://primes.utm.edu/primes/page.php?id=134068[/URL] 63838 *5^38878511 2717497 digits, current 99 rank 
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