Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Lucas-Lehmer test results of Mersenne Numbers

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4 Verified LL test results

Exponent
User name
Computer name
Residue
Shift count
Error code
#LL
#PRP
Software
Date found
2423Unknown415004Unknown, (aka U)
2423George WoltmanD133E774C6F1C15004Woltman, Prime95, first web release, (aka W4)
2423Brian J. BeesleyD133E774C6F1C15004Mac, John Sweeney, v1.4, (aka J3)
2423MadPooManual testingD133E774C6F1C1506254Windows 64-bit, Prime95, v26, (aka We4)2015-04-11