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

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MnStatusDetails
46008089Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 540000
B2 = 11475000
LL
StatusDateUserResidueShift
Verified2009-10-16Sturle Sunde0A47422E6DC8D4BB39161406
Verified2016-03-21-Anonymous-0A47422E6DC8D4BB4188073
History
DateUserTypeResult
2018-03-07monstNF
no factor from 2^72 to 2^73
2016-03-21-Anonymous-C-LL
0A47422E6DC8D4BB
2015-11-07Bruno VictalNF
no factor from 2^71 to 2^72
2015-09-19Sid & AndyNF
no factor from 2^70 to 2^71
2015-07-25Gordon SpenceNF
no factor from 2^69 to 2^70
2013-11-24sasakiNF
no factor from 2^68 to 2^69
2009-10-16Sturle SundeC-LL
0A47422E6DC8D4BB
2008-04-23arnaudNF-PM1
B1=540000, B2=11475000
2007-12-18Andi47NF
no factor from 2^65 to 2^66
2007-12-17Andi47NF
no factor from 2^64 to 2^65
2007-12-16Andi47NF
no factor from 2^63 to 2^64