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

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MnStatusDetails
63038281TF
No factors below 274
TF target 274
P-1
B1 = 550000
B2 = 10175000
LL
StatusDateUserResidueShift
Verified2013-08-02gucs6A036373C0ADADC938896461
Verified2022-04-29Conductor6A036373C0ADADC938910455
History
DateUserTypeResult
2022-04-29ConductorC-LL
6A036373C0ADADC9
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-08-02gucsC-LL
6A036373C0ADADC9
2013-05-28markrNF-PM1
B1=550000, B2=10175000
2013-04-23MikeBerlinNF
no factor from 2^73 to 2^74
2013-04-11MikeBerlinNF
no factor from 2^72 to 2^73
2013-04-08MikeBerlinNF
no factor from 2^71 to 2^72
2013-03-24Carsten KossendeyNF
no factor from 2^70 to 2^71
2011-12-22gbvalorNF
no factor from 2^69 to 2^70
2009-11-14EKnappNF
no factor from 2^68 to 2^69
2009-11-06zampelNF
no factor from 2^67 to 2^68
2009-11-04SAHS Physics ClubNF
no factor from 2^66 to 2^67
2009-11-01Sturle SundeNF
no factor from 2^65 to 2^66
2009-10-31Sturle SundeNF
no factor from 2^64 to 2^65
2009-02-10Wojciech FlorekNF
no factor from 2^63 to 2^64