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:










MnStatusDetails
90887411Tested as composite (unverified): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 275
P-1
B1 = 685000
B2 = 12158750
PRP
StatusDateUserResidueShiftTypeBase
Unverified2020-01-08ky0urakuD3892B3F989BF0__754177013
History
DateUserTypeResult
2024-06-15James HeinrichNF
no factor from 2^68 to 2^69
2020-01-08ky0urakuC-PRP
D3892B3F989BF0__
PRP without proof (not generated)
2019-03-20arnaudNF-PM1
B1=685000, B2=12158750
2019-01-20TheJudgerNF
no factor from 2^76 to 2^77
2018-12-09TheJudgerNF
no factor from 2^75 to 2^76
2018-12-09TheJudgerNF
no factor from 2^74 to 2^75
2018-12-09TheJudgerNF
no factor from 2^73 to 2^74
2017-08-15Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-05-02Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-03C.D.B.NF
no factor from 2^70 to 2^71
2014-04-06Preben SNF
no factor from 2^69 to 2^70
2013-06-22Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-07-29Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-09Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-11-09Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-06-01Carsten KossendeyNF
no factor from 2^64 to 2^65