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
102886853Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 855000
B2 = 17955000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-03-06Ben Delo20C44D2F57E4E6794051390013
History
DateUserTypeResult
2021-03-07curtiscCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-03-06Ben DeloC-PRP
20C44D2F57E4E679
PRP proof power = 8
PRP: Verified
Proof certified good
2021-03-04Ben DeloNF-PM1
B1=855000, B2=17955000, E=12
2020-10-27RichD0NF
no factor from 2^75 to 2^76
2020-10-23riccardo ubertiNF
no factor from 2^74 to 2^75
2020-01-27Hans LoeblichNF
no factor from 2^73 to 2^74
2020-01-26riccardo ubertiNF
no factor from 2^72 to 2^73
2014-12-21HinespNF
no factor from 2^71 to 2^72
2014-05-08CSLatDDNF
no factor from 2^70 to 2^71
2014-05-02symalladNF
no factor from 2^69 to 2^70
2013-09-16processinfoNF
no factor from 2^68 to 2^69
2013-09-09-Anonymous-NF
no factor from 2^67 to 2^68
2013-09-09JoDuNF
no factor from 2^66 to 2^67
2012-04-25sasaki3NF
no factor from 2^65 to 2^66
2010-08-20Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-251997rj7NF
no factor from 2^63 to 2^64