Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
56291761TF
No factors below 274
TF target 273
P-1
B1 = 600000
B2 = 13950000
LL
StatusDateUserResidueShift
Bad2012-02-20ferdy62C6DEF550A72F3633218780
Verified2012-05-17ecrosysCE0D23B620840FCD41854931
Verified2016-11-15AirSquirrelsCE0D23B620840FCD0
History
DateUserTypeResult
2019-02-03TheJudgerNF
no factor from 2^73 to 2^74
2016-11-15AirSquirrelsC-LL
CE0D23B620840FCD
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2015-07-25Mark RoseNF
no factor from 2^71 to 2^72
2012-05-17ecrosysC-LL
CE0D23B620840FCD
2012-02-20ferdyC-LL
62C6DEF550A72F36
2012-01-24ferdyNF-PM1
B1=600000, B2=13950000, E=6
2011-08-13Martti JärviNF
no factor from 2^70 to 2^71
2011-06-03TheJudgerNF
no factor from 2^69 to 2^70
2011-04-30Per JessenNF
no factor from 2^68 to 2^69
2009-05-20S36049NF
no factor from 2^67 to 2^68
2008-07-16James HeinrichNF
no factor from 2^66 to 2^67
2008-07-15Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-14James HeinrichNF
no factor from 2^64 to 2^65
2008-07-13Sturle SundeNF
no factor from 2^63 to 2^64