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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Exponent Range:










MnStatusDetails
4459369Factored
FactorDigitsBitsDate
746023027538820082959771440686331102.62016-12-14 06:10:36
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Bad1998-05-16Phillip Remaker2AB2110A41B786A30
Verified (Factored)2000-01-25Andy Kohler471E1E85A501FC771681010
Verified (Factored)2001-04-21Carsten Straaberg471E1E85A501FC773244300
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-17kkmrkkblmbrbkAB3221ED4AFB62A31110214053
Verified2018-02-15Oliver KruseAB3221ED4AFB62A31417902553
P-1 factors
DateFactorB1B2
2016-12-147460230275388200829597714406863180000068000000
History
DateUserTypeResult
2018-02-15Oliver KruseC-PRP
M4459369/7460230275388200829597714406863 : AB3221ED4AFB62A3
PRP: Verified
PRP without proof (not generated)
2017-11-17kkmrkkblmbrbkC-PRP
M4459369/7460230275388200829597714406863 : AB3221ED4AFB62A3
PRP: Verified
PRP without proof (not generated)
2016-12-14mikrF-PM1
Factor: 7460230275388200829597714406863 / (P-1, B1=1800000, B2=68000000, E=12)
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-06-24snme2pm1NF
no factor from 2^65 to 2^66
2014-09-18monstNF
no factor from 2^64 to 2^65
2014-09-17JayderNF
no factor from 2^63 to 2^64
2012-02-03GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-10-12markrNF
no factor from 2^61 to 2^62
2010-08-28markrNF-PM1
B1=95000, B2=2090000, E=6