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
28425811Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 593000
B2 = 29635000
LL
StatusDateUserResidueShift
Verified2008-03-30Andreas Priesz5569904DCD098AB026696427
Bad2011-10-18Andre.DemeshinAB11FFF5256987802391315
Verified2012-02-04Team Prime Rib5569904DCD098AB09281220
History
DateUserTypeResult
2021-03-08Architects CubedNF-PM1
B1=593000, B2=29635000
2021-03-03Sid & AndyNF
no factor from 2^72 to 2^73
2021-03-03Sid & AndyNF
no factor from 2^71 to 2^72
2021-01-10mikrNF
no factor from 2^70 to 2^71
2017-04-15ramgeisNF
no factor from 2^69 to 2^70
2015-07-03NesowaNF
no factor from 2^68 to 2^69
2012-02-04Reboot ItC-LL
5569904DCD098AB0
2011-10-18Andre.DemeshinC-LL
AB11FFF525698780