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Search for : (a^x+b^x)/2


Rank
Probable prime
Digits (> 10000)
Who?
When?
999(531^131072+25^131072)/2357184Kellen Shenton03/2021
1324(36395^65536+36393^65536)/2298913Kellen Shenton04/2022
2486(2593604092947240127723019^8192+2593604092947240127723011^8192)/2199999Youcef Lemsafer01/2023
3648(275^65536+53^65536)/2159864Kellen Shenton11/2020
17927(137^32768+29^32768)/270016Jeppe Stig Nielsen04/2018
18902(11309^16384+11307^16384)/266412Richard Fischer12/2020
19104(10199^16384+10197^16384)/265676Jeppe Stig Nielsen04/2018

Total : 7 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: July, 05 2025 13:49 (Time in France)