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
50887121TF
No factors below 274
TF target 273
P-1
B1 = 610000
B2 = 19367500
LL
StatusDateUserResidueShift
Verified2012-06-03StephenVRE1540299BCDBAB6632313229
Verified2019-10-27Evgeniy ZavialovE1540299BCDBAB6619927072
History
DateUserTypeResult
2019-10-27Evgeniy ZavialovC-LL
E1540299BCDBAB66
2018-10-11Mark RoseNF
no factor from 2^73 to 2^74
2015-12-20AirSquirrelsNF
no factor from 2^72 to 2^73
2012-06-03StephenVRC-LL
E1540299BCDBAB66
2012-02-08GregNF
no factor from 2^71 to 2^72
2012-02-08GregNF
no factor from 2^70 to 2^71
2012-01-22Jerry HallettNF
no factor from 2^69 to 2^70
2009-12-03Per JessenNF
no factor from 2^68 to 2^69
2009-11-29Sturle SundeNF-PM1
B1=610000, B2=19367500, E=6
2009-11-23arnaudNF
no factor from 2^67 to 2^68
2009-11-20Sturle SundeNF
no factor from 2^66 to 2^67
2009-05-21xtuhNF
no factor from 2^65 to 2^66
2009-03-10JShaftNF
no factor from 2^64 to 2^65
2008-09-27DerekNF
no factor to 2^64