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
100871227Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 276
P-1
B1 = 745000
B2 = 14155000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-07Ben Delo16531ED77B7FC13D8946433813
History
DateUserTypeResult
2020-11-07curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-07Ben DeloC-PRP
16531ED77B7FC13D
PRP proof power = 8
PRP: Verified
Proof certified good
2020-11-05Ben DeloNF-PM1
B1=745000, B2=14155000, E=12
2020-04-10SRBaseNF
no factor from 2^77 to 2^78
2020-01-26TheJudgerNF
no factor from 2^76 to 2^77
2020-01-26TheJudgerNF
no factor from 2^75 to 2^76
2020-01-26TheJudgerNF
no factor from 2^74 to 2^75
2020-01-18el groccoNF
no factor from 2^73 to 2^74
2020-01-18el groccoNF
no factor from 2^72 to 2^73
2014-11-28shaugeNF
no factor from 2^71 to 2^72
2013-08-27RobishNF
no factor from 2^70 to 2^71
2013-08-26RobishNF
no factor from 2^69 to 2^70
2013-08-24RobishNF
no factor from 2^68 to 2^69
2013-08-24SMoffatNF
no factor from 2^67 to 2^68
2011-03-31Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-15Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-11Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-01-211997rj7NF
no factor from 2^63 to 2^64