Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
41271143TF
No factors below 273
TF target 272
P-1
B1 = 370000
B2 = 7122500
LL
StatusDateUserResidueShift
Bad2008-06-22C. Cooper / S. Boone355B023F4089E6E420474500
Verified2015-09-21demfloro27FEC09490B7CF0B18932923
Verified2015-11-16Templar27FEC09490B7CF0B4649734
History
DateUserTypeResult
2022-05-11Sid & AndyNF
no factor from 2^72 to 2^73
2018-07-05Architects CubedNF-PM1
B1=370000, B2=7122500, E=12
2015-11-16TemplarC-LL
27FEC09490B7CF0B
2015-09-21demfloroC-LL
27FEC09490B7CF0B
2015-08-17AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-08chalsallNF
no factor from 2^70 to 2^71
2014-12-31chalsallNF
no factor from 2^69 to 2^70
2013-12-03Carsten KossendeyNF
no factor from 2^68 to 2^69