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Search for : 21^n+2


Rank
Probable prime
Digits (> 10000)
Who?
When?
1790221^53753+271074Ray Chandler08/2011
2329721^43717+257804Ray Chandler08/2011
6060221^36566+248349Ray Chandler08/2011

Total : 3 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: October, 20 2025 08:25 (Time in France)