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
112821481Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 515000
B2 = 19026000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-04-28ky0urakuCF92D35481F095908327133113
History
DateUserTypeResult
2023-04-28curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2023-04-28ky0urakuC-PRP
CF92D35481F09590
PRP proof power = 9
PRP: Verified
Proof certified good
2022-03-27Ryan PropperNF-PM1
B1=515000, B2=19026000
2020-12-30arpcarNF
no factor from 2^76 to 2^77
2020-12-01arpcarNF
no factor from 2^75 to 2^76
2020-11-27arpcarNF
no factor from 2^74 to 2^75
2020-08-09ViliamFNF
no factor from 2^73 to 2^74
2020-04-06tscNF
no factor from 2^72 to 2^73
2019-01-09Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-03-02Andrew BNF
no factor from 2^70 to 2^71
2015-03-01La GüiraNF
no factor from 2^69 to 2^70
2015-03-01La GüiraNF
no factor from 2^68 to 2^69
2015-02-18Preben SNF
no factor from 2^67 to 2^68
2014-11-11vwflat4NF
no factor from 2^66 to 2^67
2012-06-02OS1NF
no factor from 2^65 to 2^66
2010-09-26Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-05sasaki3NF
no factor from 2^63 to 2^64