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
49428943TF
No factors below 275
TF target 273
P-1
B1 = 580000
B2 = 15805000
LL
StatusDateUserResidueShift
Verified2010-10-09-Anonymous-E2031B806D3AA3722195351
Verified2018-02-01andypikeE2031B806D3AA37216776198
History
DateUserTypeResult
2020-12-21-Anonymous-NF
no factor from 2^74 to 2^75
2019-09-12Jon PaceNF
no factor from 2^73 to 2^74
2018-02-01andypikeC-LL
E2031B806D3AA372
2017-10-08monstNF
no factor from 2^72 to 2^73
2015-12-28AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-28AirSquirrelsNF
no factor from 2^70 to 2^71
2015-08-26LaurVNF
no factor from 2^69 to 2^70
2010-10-09-Anonymous-C-LL
E2031B806D3AA372
2009-05-11BARBBARITTANF
no factor from 2^68 to 2^69
2009-04-29Gordon HoutmanNF
no factor from 2^67 to 2^68
2009-02-24Frantisek StaryNF-PM1
B1=580000, B2=15805000
2009-02-15tmorrowNF
no factor from 2^66 to 2^67
2009-02-11tmorrowNF
no factor from 2^65 to 2^66
2009-02-05Sturle SundeNF
no factor from 2^64 to 2^65
2008-06-03-Anonymous-NF
no factor to 2^64