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
114571973Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 523000
B2 = 19721000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-01-24Conductor045344DFCCAAB8E85562594213
History
DateUserTypeResult
2023-01-24Jonathan WebbCERT
PRP Certification
CERT proof power = 8
Proof certified good
2023-01-24ConductorC-PRP
045344DFCCAAB8E8
PRP proof power = 8
PRP: Verified
Proof certified good
2022-04-11Ryan PropperNF-PM1
B1=523000, B2=19721000
2021-06-17arpcarNF
no factor from 2^76 to 2^77
2021-01-29KrieselNF
no factor from 2^75 to 2^76
2020-10-29RNutterNF
no factor from 2^74 to 2^75
2020-10-17buteraNF
no factor from 2^73 to 2^74
2020-04-23SRBaseNF
no factor from 2^72 to 2^73
2019-01-09Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-04-06C. van SomerenNF
no factor from 2^70 to 2^71
2015-04-03arnaudNF
no factor from 2^69 to 2^70
2015-03-26BronzemanNF
no factor from 2^68 to 2^69
2015-03-23g0bNF
no factor from 2^67 to 2^68
2014-11-20tscNF
no factor from 2^66 to 2^67
2012-06-14carlos56NF
no factor from 2^65 to 2^66
2010-10-03sasaki3NF
no factor from 2^64 to 2^65
2010-05-06KYOJI_KAMEINF
no factor from 2^63 to 2^64