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
111577757Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 509000
B2 = 18427000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-12-09Ruslan Borisov78F6321D76EDDA9D5304427313
History
DateUserTypeResult
2022-12-09mattashiiCERT
PRP Certification
CERT proof power = 10
Proof certified good
2022-12-09Ruslan BorisovC-PRP
78F6321D76EDDA9D
PRP proof power = 10
PRP: Verified
Proof certified good
2022-03-19Ryan PropperNF-PM1
B1=509000, B2=18427000
2021-01-11arpcarNF
no factor from 2^76 to 2^77
2020-12-11arpcarNF
no factor from 2^75 to 2^76
2020-11-22arpcarNF
no factor from 2^74 to 2^75
2020-07-27jwnutterNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2018-03-05el groccoNF
no factor from 2^71 to 2^72
2015-02-16Alexander StohrNF
no factor from 2^70 to 2^71
2014-07-07Andreas_TruetschNF
no factor from 2^69 to 2^70
2013-10-28SMoffatNF
no factor from 2^68 to 2^69
2013-10-14PascalBieriNF
no factor from 2^67 to 2^68
2013-10-05PascalBieriNF
no factor from 2^66 to 2^67
2012-05-29Joe BauerNF
no factor from 2^65 to 2^66
2010-09-24RichardNF
no factor from 2^64 to 2^65
2010-05-03Torchwood InstituteNF
no factor from 2^63 to 2^64