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Search for : 21^n+2


Rank
Probable prime
Digits (> 10000)
Who?
When?
1810021^53753+271074Ray Chandler08/2011
2355421^43717+257804Ray Chandler08/2011
6090421^36566+248349Ray Chandler08/2011

Total : 3 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: December, 13 2025 20:22 (Time in France)