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
55638719TF
No factors below 273
TF target 273
P-1
B1 = 535000
B2 = 9362500
LL
StatusDateUserResidueShift
Bad2013-02-11curtiscEC1B2BBEC227BED524455924
Verified2013-12-11-Anonymous-671C3FDC77A871CD19959528
Verified2016-03-25MadPoo671C3FDC77A871CD34884439
History
DateUserTypeResult
2016-03-25MadPooC-LL
671C3FDC77A871CD
2015-07-29Mark RoseNF
no factor from 2^72 to 2^73
2013-12-11-Anonymous-C-LL
671C3FDC77A871CD
2013-02-11curtiscC-LL
EC1B2BBEC227BED5
2012-05-11Craig MeyersNF-PM1
B1=535000, B2=9362500
2012-04-28XyzzyNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-02Paul LeylandNF
no factor from 2^69 to 2^70
2011-04-11-Anonymous-NF
no factor from 2^68 to 2^69
2009-05-16Johannes WeingartnerNF
no factor from 2^67 to 2^68
2009-03-09glennpatNF
no factor from 2^66 to 2^67
2009-03-08glennpatNF
no factor from 2^65 to 2^66
2009-03-07glennpatNF
no factor from 2^64 to 2^65
2008-08-25-Anonymous-NF
no factor to 2^64