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
105430271Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 884000
B2 = 51742000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-08-09Ben DeloBF281D5636EFCD634735448813
History
DateUserTypeResult
2021-08-10Stephan GruppCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-08-09Ben DeloC-PRP
BF281D5636EFCD63
PRP proof power = 8
PRP: Verified
Proof certified good
2021-08-08Ben DeloNF-PM1
B1=884000, B2=51742000
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-03SRBaseNF
no factor from 2^73 to 2^74
2019-12-30moroquendoNF
no factor from 2^72 to 2^73
2019-01-29Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-10shaugeNF
no factor from 2^70 to 2^71
2014-11-09webbertNF
no factor from 2^69 to 2^70
2014-10-30webbertNF
no factor from 2^68 to 2^69
2014-10-28webbertNF
no factor from 2^67 to 2^68
2014-06-17albin_pouillesNF
no factor from 2^66 to 2^67
2012-05-20RichardNF
no factor from 2^65 to 2^66
2010-08-31Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-25RichardNF
no factor from 2^63 to 2^64