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
5005643Factored
FactorDigitsBitsDate
11194289518225427983646565106013199.82018-06-06 04:43:13
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)dean mccullyDE182E09A0F2554F0
Bad2000-04-05Charles VillaE94AC20A3B077E2F4361231
Verified (Factored)2001-06-30Rommel C. ZuluetaDE182E09A0F2554F1415963
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-06-06storm55107C5F8E3F0F9508DE174854853
Verified2018-06-07Battlemaxx7C5F8E3F0F9508DE1388498653
P-1 factors
DateFactorB1B2
2018-06-0611194289518225427983646565106013600000120000000
History
DateUserTypeResult
2018-06-07BattlemaxxC-PRP
M5005643/1119428951822542798364656510601 : 7C5F8E3F0F9508DE
PRP: Verified
PRP without proof (not generated)
2018-06-06storm5510C-PRP
M5005643/1119428951822542798364656510601 : 7C5F8E3F0F9508DE
PRP: Verified
PRP without proof (not generated)
2018-06-06mikrF-PM1
Factor: 1119428951822542798364656510601 / (P-1, B1=3600000, B2=120000000, E=12)
2017-10-11mikrNF
no factor from 2^67 to 2^68
2017-02-13Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-13Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-04-20Gordon SpenceNF
no factor from 2^65 to 2^66
2014-08-30lycornNF
no factor from 2^64 to 2^65
2014-08-29krackerNF
no factor from 2^63 to 2^64
2013-05-11Squeeky_SquirrelNF-PM1
B1=85000, B2=1508750, E=6
2009-08-04USAFSSNF-PM1
B1=55000, B2=907500, E=6