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
102217391Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 805000
B2 = 15898750
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-01-17Ben Delo96B47445B05B79738785483813
History
DateUserTypeResult
2021-01-17ky0urakuCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-01-17Ben DeloC-PRP
96B47445B05B7973
PRP proof power = 8
PRP: Verified
Proof certified good
2021-01-15Ben DeloNF-PM1
B1=805000, B2=15898750, E=12
2020-10-21Bill StaffenNF
no factor from 2^74 to 2^77
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2020-03-28SRBaseNF
no factor from 2^72 to 2^73
2014-12-10shaugeNF
no factor from 2^71 to 2^72
2014-06-26GrunwalderGIMPNF
no factor from 2^70 to 2^71
2013-10-16Mike IsraelNF
no factor from 2^69 to 2^70
2013-10-12Cow_tippingNF
no factor from 2^68 to 2^69
2013-09-29SMoffatNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-21Mr-PlonkNF
no factor from 2^65 to 2^66
2010-08-17Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-171997rj7NF
no factor from 2^63 to 2^64