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
71566423TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 12000000
LL
StatusDateUserResidueShift
Unverified2017-03-18baseyA9A68323D8EC4B__68946684
History
DateUserTypeResult
2017-03-18baseyC-LL
A9A68323D8EC4B__
2016-08-12-Anonymous-NF
no factor from 2^74 to 2^75
2015-04-08markrNF-PM1
B1=640000, B2=12000000
2015-01-31Jerry HallettNF
no factor from 2^73 to 2^74
2015-01-31Jerry HallettNF
no factor from 2^72 to 2^73
2015-01-30Jerry HallettNF
no factor from 2^71 to 2^72
2012-11-19-Anonymous-NF
no factor from 2^70 to 2^71
2012-05-10ITSNF
no factor from 2^69 to 2^70
2010-07-13GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-07-12Charles A. MorrisNF
no factor from 2^67 to 2^68
2010-07-10Charles A. MorrisNF
no factor from 2^66 to 2^67
2010-07-06tmorrowNF
no factor from 2^65 to 2^66
2010-06-20S00030NF
no factor from 2^64 to 2^65
2008-10-19Wojciech FlorekNF
no factor to 2^64