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Search for : 21^n+2


Rank
Probable prime
Digits (> 10000)
Who?
When?
1840921^53753+271074Ray Chandler08/2011
2396121^43717+257804Ray Chandler08/2011
6147221^36566+248349Ray Chandler08/2011

Total : 3 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: March, 20 2026 07:55 (Time in France)