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

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MnStatusDetails
1330393Factored
FactorDigitsBitsDate
102852993644574142113532373.12009-08-09 23:18:11
132301075094049806476392373.52018-09-14 13:15:48
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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)George WoltmanF444E99BFCFF4EA30
Verified (Factored)Cornelius CaesarF444E99BFCFF4EA30
Verified (Factored)2010-03-17Bruce A MetcalfF444E99BFCFF4EA3606914
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30Oliver KruseDEFDBDED5B679F291013
Verified (Factored)2017-10-23kkmrkkblmbrbkDEFDBDED5B679F29125725513
Verified2018-09-14Oliver KruseB5F3B0BE20F4CDDE275359353
Verified2018-09-14rucioB5F3B0BE20F4CDDE21876553
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2018-09-14rucioC-PRP
M1330393/10285299364457414211353/13230107509404980647639 : B5F3B0BE20F4CDDE
PRP: Verified
PRP without proof (not generated)
2018-09-14Oliver KruseC-PRP
M1330393/10285299364457414211353/13230107509404980647639 : B5F3B0BE20F4CDDE
PRP: Verified
PRP without proof (not generated)
2018-09-14TJAOIF-ECM
Factor: 13230107509404980647639 / (ECM curve 68, B1=50000, B2=5000000)
2017-10-23kkmrkkblmbrbkC-PRP
M1330393/10285299364457414211353 : DEFDBDED5B679F29
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1330393/10285299364457414211353 : DEFDBDED5B679F29
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-08-09SubPrimeF-ECM
Factor: 10285299364457414211353
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61