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
78890267Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 665000
B2 = 13133750
LL
StatusDateUserResidueShift
Unverified2018-02-14LHS_IT3A6E1B680C4225__42047610
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-28Greg7FB1396D428152EF013
History
DateUserTypeResult
2025-09-28Yu ZhuCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-09-28GregC-PRP
7FB1396D428152EF
PRP proof power = 9
PRP: Verified
Proof certified good
2018-02-14LHS_ITC-LL
3A6E1B680C4225__
2016-07-18arnaudNF-PM1
B1=665000, B2=13133750, E=6
2016-07-10Kevin JagetNF
no factor from 2^74 to 2^75
2016-07-10Kevin JagetNF
no factor from 2^73 to 2^74
2016-05-30Mark RoseNF
no factor from 2^72 to 2^73
2016-02-10Judge HaleNF
no factor from 2^71 to 2^72
2013-07-10Le ComteNF
no factor from 2^70 to 2^71
2013-04-06Clown_RoyalNF
no factor from 2^69 to 2^70
2012-04-13-Anonymous-NF
no factor from 2^68 to 2^69
2012-04-05symalladNF
no factor from 2^67 to 2^68
2011-05-19Carsten KossendeyNF
no factor from 2^64 to 2^67