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
56382917TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Bad2012-02-18cattrainF4487034EC47A37833654596
Verified2013-02-10curtisc1ABDBEDC22BEAE1422151891
Verified2015-10-21MadPoo1ABDBEDC22BEAE1455452360
History
DateUserTypeResult
2019-02-12Architects CubedNF
no factor from 2^73 to 2^74
2018-07-30Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2015-10-21MadPooC-LL
1ABDBEDC22BEAE14
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-02-10curtiscC-LL
1ABDBEDC22BEAE14
2012-05-04america64NF
no factor from 2^71 to 2^72
2012-02-18cattrainC-LL
F4487034EC47A378
2011-11-21cattrainNF-PM1
B1=775000
2011-08-22-Anonymous-NF
no factor from 2^70 to 2^71
2011-06-15XyzzyNF
no factor from 2^69 to 2^70
2011-04-17-Anonymous-NF
no factor from 2^68 to 2^69
2009-12-07-Anonymous-NF
no factor from 2^67 to 2^68
2008-07-23Sturle SundeNF
no factor from 2^66 to 2^67
2008-07-22Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-22James HeinrichNF
no factor from 2^64 to 2^65
2008-07-21Sturle SundeNF
no factor from 2^63 to 2^64