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

PrimeNet Exponent Status

Exponent Range:





MnDetails
32155297
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 271
P-1
B1 = 919424
B2 = 17469063
LL
StatusDateUserResidueShiftSoftware
Bad2006-06-13EspElement3E44B1CDAF188CAA14636232Windows,Prime95,v24 final,(aka Wc1)
Verified2008-03-05Sturle SundeE194E587E4928E6011558106Linux 32-bit,Prime95,v24 final,(aka Wc2)
Bad2014-10-31Jacques MOLNE1C5658548ADD0D7C0CUDALucas v2.03
Verified2014-11-04Denial140E194E587E4928E6023291124Windows 64-bit,Prime95,v28.5,build 2
Verified2014-11-04Alex VongE194E587E4928E6010805580Mac OS X 64-bit,Prime95,v26,(aka We10)
History
DateUserTypeResult
2021-01-16-anonymous-NFno factor TF: 74-75
2020-03-26-anonymous-NFno factor TF: 73-74
2019-11-16-anonymous-NFno factor TF: 72-73
2014-11-04Alex VongC-LLE194E587E4928E60
2014-11-04Denial140C-LLE194E587E4928E60
2014-10-31Jacques MOLNEC-LL1C5658548ADD0D7C
2014-10-26Denial140NF-PM1B1=919424, B2=17469063, E=12
2014-10-20EratosthenesNFno factor TF: 71-72
2014-10-20EratosthenesNFno factor TF: 70-71
2012-08-12bcp19NFno factor TF: 69-70
2012-08-12bcp19NFno factor TF: 68-69
2012-02-17Carsten KossendeyNFno factor TF: 67-68
2008-03-03Sturle SundeC-LLE194E587E4928E60
2006-06-13-anonymous-C-LL3E44B1CDAF188CAA
2006-03-14-anonymous-NF-PM1B1=540000
2005-11-13TheJudgerNFno factor TF: 1-67
2001-08-31Net_ForceNFno factor TF: 1-56