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
5582737Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 266
P-1
B1 = 5000000
B2 = 6423588990
ECM
DigitsB1Curves
2550000106 / 280
Estimated T-Level: 21.9 ⓘ
LL
StatusDateUserResidueShift
Verified1999-04-23Kevin KennedyAB1867F7AD3FFB764516859
Verified2000-09-15Brian TenneyAB1867F7AD3FFB763540000
History
DateUserTypeResult
2022-09-19Sid & AndyNF-PM1
B1=5000000, B2=6423588990
2021-09-21SRBaseNF
no factor from 2^71 to 2^72
2021-09-01SRBaseNF
no factor from 2^70 to 2^71
2021-08-18SRBaseNF
no factor from 2^69 to 2^70
2020-08-11TJAOINF
no factor from 2^68 to 2^69
2019-10-03GdSNF-PM1
B1=200000, B2=6000000, E=12
2018-07-05ramgeisNF
no factor from 2^67 to 2^68
2016-07-31Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^62
2015-09-13snme2pm1NF
no factor from 2^65 to 2^66
2014-12-22monstNF
no factor from 2^64 to 2^65
2014-12-21NesowaNF
no factor from 2^63 to 2^64
2011-01-01USAFSSNF-PM1
B1=65000, B2=1023750, E=6
2009-06-06Carsten KossendeyNF-PM1
B1=30000, B2=390000
2009-02-10GrunwalderGIMPNF
no factor from 2^62 to 2^63