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
108476281Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 913000
B2 = 53470000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-01-10Ben DeloC279DD1D3C2A00F79316455013
History
DateUserTypeResult
2022-01-10curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-01-10Ben DeloC-PRP
C279DD1D3C2A00F7
PRP proof power = 8
PRP: Verified
Proof certified good
2022-01-09Ben DeloNF-PM1
B1=913000, B2=53470000
2021-04-26TheJudgerNF
no factor from 2^75 to 2^76
2021-04-26TheJudgerNF
no factor from 2^74 to 2^75
2019-10-06Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-10-06Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-08-22SMoffatNF
no factor from 2^70 to 2^71
2015-08-12SMoffatNF
no factor from 2^69 to 2^70
2015-08-04SMoffatNF
no factor from 2^68 to 2^69
2013-10-14ChrisS94NF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-06-02RichardNF
no factor from 2^65 to 2^66
2010-09-12RichardNF
no factor from 2^64 to 2^65
2010-04-26sasaki3NF
no factor from 2^63 to 2^64