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

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MnStatusDetails
46003049Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 16788750
LL
StatusDateUserResidueShift
Verified2011-01-07Zet_kor30A694808448D2CD13818964
Verified2018-05-06ivan30A694808448D2CD5173053
Verified2018-09-17-Anonymous-30A694808448D2CD1532440
History
DateUserTypeResult
2018-09-17HamsterbackeC-LL
30A694808448D2CD
2018-05-06ivanC-LL
30A694808448D2CD
2017-12-26-Anonymous-NF
no factor from 2^72 to 2^73
2016-02-23Mark RoseNF
no factor from 2^1 to 2^63
2015-12-05AirSquirrelsNF
no factor from 2^71 to 2^72
2015-09-16Sid & AndyNF
no factor from 2^70 to 2^71
2015-07-23Gordon SpenceNF
no factor from 2^69 to 2^70
2013-11-15sasakiNF
no factor from 2^68 to 2^69
2011-01-07Zet_korC-LL
30A694808448D2CD
2008-02-18Sturle SundeNF-PM1
B1=555000, B2=16788750, E=6
2007-12-04Team_BunduNF
no factor from 2^65 to 2^66
2007-12-03Team_BunduNF
no factor from 2^64 to 2^65
2007-12-02Team_BunduNF
no factor from 2^63 to 2^64