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

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MnStatusDetails
2340071Factored
FactorDigitsBitsDate
13025259033466547318472270.12018-03-10 22:13:47
ECM
DigitsB1Curves
255000086 / 280
Estimated T-Level: 21.5 ⓘ
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Mike Hicks3857BC4FF946E9AA0
Verified (Factored)1999-03-01Bruce Mitchell3857BC4FF946E9AA1931576
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-03-10ATH288AABD5BF0BC01B1225421053
Verified2018-03-11kkmrkkblmbrbk288AABD5BF0BC01B114415753
P-1 factors
DateFactorB1B2
2018-03-1013025259033466547318476000000180000000
History
DateUserTypeResult
2018-03-11kkmrkkblmbrbkC-PRP
M2340071/1302525903346654731847 : 288AABD5BF0BC01B
PRP: Verified
PRP without proof (not generated)
2018-03-10ATHC-PRP
M2340071/1302525903346654731847 : 288AABD5BF0BC01B
PRP: Verified
PRP without proof (not generated)
2018-03-10Sid & AndyF-PM1
Factor: 1302525903346654731847 / (P-1, B1=6000000, B2=180000000, E=12)
2017-06-10Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-25ramgeisNF
no factor from 2^65 to 2^66
2015-03-06VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-06VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-28Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-03-01BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-11Sturle SundeNF
no factor from 2^60 to 2^61