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

PrimeNet PRP-CoFactor test results of Mersenne Numbers

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5 Verified PRP-CF test results

Exponent
User name
Computer name
#Factors
Residue
Shift count
Residue
Type
Residue
Base
Error/Status
Software
Date found
1237csaba17F72EDA0088CF18E013Windows 64-bit, Prime95, v28.9, build 22017-09-25
1237George WoltmanManual testing17F72EDA0088CF18E3713Mac OS X 64-bit, Prime95, v29.3, (aka Wf10)2017-09-26
1237kkmrkkblmbrbkManual testing17F72EDA0088CF18E013Linux 64-bit, Prime95, v29.3, (aka Wf8)2017-10-02
1237Oliver Kruse18E671C85179020B693053Windows 64-bit, Prime95, v29.8, build 62020-04-17
1237_p95holder_TFL16_PRPt11-E_b18E671C85179020B615953Windows, Prime95, v29.8, build 32020-08-12
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