PRP Top Records

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Search for : 10^k+21


Rank
Probable prime
Digits (> 10000)
Who?
When?
500910^135669+21135670Boyan Hu12/2024
723410^109615+21109616Lelio R Paula03/2017
2396210^55811+2155812Robert Price01/2011
6062910^48003+2148004Robert Price01/2011
15642110^25671+2125672Robert Price12/2010

Total : 5 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: September, 02 2025 19:01 (Time in France)