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
61688153TF
No factors below 276
TF target 274
P-1
B1 = 780000
B2 = 15990000
LL
StatusDateUserResidueShift
Verified2014-02-25curtiscA9DBF3128E40D4A547402178
Verified2021-11-08Smok_bmv A9DBF3128E40D4A525516615
History
DateUserTypeResult
2021-11-08Smok_bmv C-LL
A9DBF3128E40D4A5
2020-06-09-Anonymous-NF
no factor from 2^75 to 2^76
2019-07-24Architects CubedNF-PM1
B1=780000, B2=15990000, E=12
2019-05-24Sid & AndyNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-21AirSquirrelsNF
no factor from 2^73 to 2^74
2014-02-25curtiscC-LL
A9DBF3128E40D4A5
2013-02-19dlerick66NF-PM1
B1=695000
2013-02-10bcp19NF
no factor from 2^72 to 2^73
2013-02-10bcp19NF
no factor from 2^71 to 2^72
2012-12-04-Anonymous-NF
no factor from 2^70 to 2^71
2011-11-20NoWhereManNF
no factor from 2^69 to 2^70
2009-11-30giheffNF
no factor from 2^68 to 2^69
2009-11-03giheffNF
no factor from 2^67 to 2^68
2009-09-30skrzypoNF
no factor from 2^66 to 2^67
2009-07-30Geoff SelkirkNF
no factor from 2^65 to 2^66
2009-07-25NoWhereManNF
no factor from 2^64 to 2^65
2009-06-10markrNF
no factor from 2^63 to 2^64