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Search for : 2^n+21


Rank
Probable prime
Digits (> 10000)
Who?
When?
8642^1173095+21353137Stefano Morozzi10/2022
61822^376731+21113408Lelio R Paula03/2013
83572^341355+21102759Lelio R Paula08/2011
84822^339168+21102100Lelio R Paula07/2011
183662^216752+2165249Lelio R Paula08/2011
189732^210061+2163235Donovan Johnson06/2006
596482^158497+2147713Donovan Johnson02/2006
624872^139476+2141987Donovan Johnson02/2006
640922^131383+2139551Donovan Johnson02/2006
695912^107287+2132297Donovan Johnson02/2006
1578812^81485+2124530Donovan Johnson04/2004
2594222^38859+2111698Donovan Johnson04/2004
2652582^36551+2111003Donovan Johnson04/2004
2822522^33843+2110188Donovan Johnson04/2004

Total : 14 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: December, 29 2024 17:39 (Time in France)