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
5361773Factored
FactorDigitsBitsDate
6545917932647069317132169.12019-07-15 17:22:52
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
Verified (Factored)1998-08-09Ray Strubinger764F5070573DCBCC0
Verified (Factored)2000-10-15Marc Getty / Phil Fizur764F5070573DCBCC1695520
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-07-18Chang Chia-Tche9DA63C3FC16D28AE14787553
Verified2019-07-19marssystems9DA63C3FC16D28AE1362282053
P-1 factors
DateFactorB1B2
2019-07-156545917932647069317133200009520000
History
DateUserTypeResult
2019-07-19marssystemsC-PRP
M5361773/654591793264706931713 : 9DA63C3FC16D28AE
PRP: Verified
PRP without proof (not generated)
2019-07-18Chang Chia-TcheC-PRP
M5361773/654591793264706931713 : 9DA63C3FC16D28AE
PRP: Verified
PRP without proof (not generated)
2019-07-15USAFSSF-PM1
Factor: 654591793264706931713 / (P-1, B1=320000, B2=9520000, E=12)
2018-06-19ramgeisNF
no factor from 2^67 to 2^68
2016-08-09Gordon SpenceNF
no factor from 2^66 to 2^67
2015-08-18snme2pm1NF
no factor from 2^65 to 2^66
2014-12-23VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-23VictordeHollanderNF
no factor from 2^63 to 2^64
2010-04-18Squeeky_SquirrelNF-PM1
B1=60000, B2=1005000, E=6
2009-05-21GrunwalderGIMPNF
no factor from 2^62 to 2^63