Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
1777103Factored
FactorDigitsBitsDate
25334900792590930748679532581.12016-03-26 09:47:55
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Martin Dohmen7BD00308FAA57AD50
Verified (Factored)1998-12-06Anthony May7BD00308FAA57AD5147656
Verified (Factored)2015-06-27MadPoo7BD00308FAA57AD5927670
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-03Oliver KruseA3B99FC696ACE5F01013
Verified2017-11-04kkmrkkblmbrbkA3B99FC696ACE5F0147963213
History
DateUserTypeResult
2017-11-04kkmrkkblmbrbkC-PRP
M1777103/2533490079259093074867953 : A3B99FC696ACE5F0
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1777103/2533490079259093074867953 : A3B99FC696ACE5F0
PRP: Verified
PRP without proof (not generated)
2016-03-26bamF-ECM
Factor: 2533490079259093074867953 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-09-11ramgeisNF
no factor from 2^65 to 2^66
2015-06-27MadPooC-LL
7BD00308FAA57AD5
2015-05-23mikrNF-PM1
B1=2475400, B2=86660000, E=12
2015-05-08snme2pm1NF
no factor from 2^64 to 2^65
2015-05-08snme2pm1NF
no factor from 2^63 to 2^64
2014-09-18JossNF-PM1
B1=172234
2014-05-09JossNF-PM1
B1=136117
2014-04-10-Anonymous-NF-PM1
B1=100000
2011-02-07Carsten KossendeyNF-PM1
B1=95000, B2=1615000, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-20Architects CubedNF
no factor from 2^60 to 2^61