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
86849747Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 13747500
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-09-24ky0uraku3477BC050EA571681555035213
Verified2025-07-29kwe5ykdf3477BC050EA57168013
History
DateUserTypeResult
2025-07-29Markus WernerCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-07-29kwe5ykdfC-PRP
3477BC050EA57168
PRP proof power = 10
PRP: Verified
Proof certified good
2019-09-24ky0urakuC-PRP
3477BC050EA57168
PRP: Verified
PRP without proof (not generated)
2018-04-19EthanDNF-PM1
B1=705000, B2=13747500, E=6
2018-01-11Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-01-11Strolling JellyfishNF
no factor from 2^74 to 2^75
2017-06-09RichD0NF
no factor from 2^73 to 2^74
2017-04-29Strolling JellyfishNF
no factor from 2^72 to 2^73
2017-04-29Strolling JellyfishNF
no factor from 2^71 to 2^72
2014-08-31PascalBieriNF
no factor from 2^70 to 2^71
2013-06-22-Anonymous-NF
no factor from 2^69 to 2^70
2013-06-20S04803NF
no factor from 2^68 to 2^69
2013-06-19S04803NF
no factor from 2^67 to 2^68
2013-06-18processinfoNF
no factor from 2^66 to 2^67
2013-01-31LaurVNF
no factor from 2^65 to 2^66
2010-11-23Architects CubedNF
no factor from 2^64 to 2^65