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

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MnStatusDetails
2306627Factored
FactorDigitsBitsDate
9240732018206965380877912479.62020-07-22 05:33:28
ECM
DigitsB1Curves
255000079 / 280
Estimated T-Level: 21.4 ⓘ
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ethan Hansen988FDE0B0E731C8E0
Verified (Factored)1999-03-15Martin Kotzan988FDE0B0E731C8E556753
Verified (Factored)2018-05-02kkmrkkblmbrbk988FDE0B0E731C8E1796040
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-07-22M MillerC095409A07963296178821853
Verified2020-07-23marssystemsC095409A07963296123766553
History
DateUserTypeResult
2020-07-23marssystemsC-PRP
M2306627/924073201820696538087791 : C095409A07963296
PRP: Verified
PRP without proof (not generated)
2020-07-22M MillerC-PRP
M2306627/924073201820696538087791 : C095409A07963296
PRP: Verified
PRP without proof (not generated)
2020-07-22GANF-ECM
Factor: 924073201820696538087791 / (ECM curve 1, B1=50000, B2=5000000, Sigma=6299933176907601)
2019-05-06TJAOINF
no factor from 2^67 to 2^68
2018-05-02kkmrkkblmbrbkC-LL
988FDE0B0E731C8E
2017-12-26Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-05-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-22ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-06Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-13Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-15BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61