Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
55981307TF
No factors below 274
TF target 273
P-1
B1 = 665000
B2 = 18620000
LL
StatusDateUserResidueShift
Bad2014-11-24KoekieE61C71871CEF9FBA49042079
Verified2014-12-16Nesowa8903685A5FDB23D836352976
Verified2016-10-16AirSquirrels8903685A5FDB23D844568742
History
DateUserTypeResult
2016-10-16AirSquirrelsC-LL
8903685A5FDB23D8
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2014-12-16NesowaC-LL
8903685A5FDB23D8
2014-11-24KoekieC-LL
E61C71871CEF9FBA
2014-08-26LaurVNF
no factor from 2^73 to 2^74
2014-07-03chalsallNF
no factor from 2^72 to 2^73
2012-06-21Jerry HallettNF
no factor from 2^71 to 2^72
2011-09-11TheJudgerNF
no factor from 2^70 to 2^71
2011-08-31rlakeNF
no factor from 2^69 to 2^70
2011-07-20JannemanNF
no factor from 2^68 to 2^69
2011-07-10RichD0NF-PM1
B1=665000, B2=18620000
2009-12-04BranMuffinNF
no factor from 2^67 to 2^68
2009-11-28HassaanNF
no factor from 2^66 to 2^67
2009-11-24benthomasNF
no factor from 2^65 to 2^66
2009-11-15Graeme GlassNF
no factor from 2^64 to 2^65
2009-01-031997rj7NF
no factor from 2^63 to 2^64