The Repunit Primes Project

Repunit:

Known REPUNIT Primes

Repunit Prime
 Certificate Digits
When
Who
R(2) is prime!
2
-
-
R(19) is prime!
19
-
-
R(23) is prime!
23
-
-
R(317) is prime!
317
-
-
R(1031) is prime!
1,031
Dec 1985
WD
R(49081) is prime!
 2022 Link
 49,081
Sep 1999
Harvey Dubner
R(86453) is prime!
 2023 Link
 86,453
Oct 2000
Lew Baxter
R(109297) is prime!
 Link1
Link2
 109,297
Apr 2007
Paul Bourdelais - Harvey Dubner
R(270343) is PRP!
270,343
Jul 2007
Maksym Voznyy - Anton Budnyy
R(5794777) is PRP!
5,794,777
 Apr 2021
 		Serge Batalov - Ryan Propper
R(8177207) is PRP!
8,177,207
 May 2021 Serge Batalov - Ryan Propper

 
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    The Repunit Primes Project - 2011 - Website maintained by Giovanni Di Maria - email: calimero22@yahoo.it
Since Dec 23th, 2010 - Last updated on May 12, 2021


 

 

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