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
102811829Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 855000
B2 = 17100000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-03-12Ben Delo3853BF7614F0E0C59307739313
History
DateUserTypeResult
2021-03-12curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-03-12Ben DeloC-PRP
3853BF7614F0E0C5
PRP proof power = 8
PRP: Verified
Proof certified good
2021-03-10mes15-001NF-PM1
B1=855000, B2=17100000, E=6
2020-10-25ktonyNF
no factor from 2^75 to 2^76
2020-10-23ktonyNF
no factor from 2^74 to 2^75
2020-02-08srow7NF
no factor from 2^73 to 2^74
2020-02-08srow7NF
no factor from 2^72 to 2^73
2014-12-29ANONYMOUSNF
no factor from 2^71 to 2^72
2014-07-15Preben SNF
no factor from 2^70 to 2^71
2014-07-09Denial140NF
no factor from 2^69 to 2^70
2014-07-06ANONYMOUSNF
no factor from 2^68 to 2^69
2014-06-29PgaborNF
no factor from 2^67 to 2^68
2013-09-06JoDuNF
no factor from 2^66 to 2^67
2012-04-25sasaki3NF
no factor from 2^65 to 2^66
2010-10-19Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-081997rj7NF
no factor from 2^63 to 2^64