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

PrimeNet Exponent Status

Exponent Range:





MnDetails
11071
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
2502047721.3old
39714112631031.92008-08-26 19:58:34
3083675601638537031858.12008-08-29 02:24:27
22167359966230808574740092580.92008-10-16 23:57:25
592907777343597855455431783815499677346212212946152.12022-04-02 03:01:54
P-1 factors
DateFactorsB1B2
2022-12-29No new factors discovered100000000000122192573512709696
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002466 / 16550
Estimated T-Level: 45.7 ⓘ
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse9A6E86994AEAD0434013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk9A6E86994AEAD0434013
Factored
No proof (small exponent)
2017-12-07ATH9A6E86994AEAD0434508613
Factored
No proof (small exponent)
2020-04-17Oliver KruseBBA715B1B6447756460153
Verified
No proof (small exponent)
2022-04-02SRJ2877BBA715B1B6447756550153
Verified
No proof (small exponent)
2022-04-02aperson1BBA715B1B64477565733353
History
DateUserTypeResult
2025-02-21masserNF-PP1Start=135/37, B1=640000000, B2=639360000000
2025-02-14masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-25masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2022-12-29-anonymous-F-PM1Factor: 2216735996623080857474009 / B1=100000000000, B2=122192573512709700
2022-04-02aperson1C-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009/5929077773435978554554317838154996773462122129 : BBA715B1B6447756
2022-04-02SRJ2877C-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009/5929077773435978554554317838154996773462122129 : BBA715B1B6447756
2022-04-02Ryan PropperF-ECMFactor: 5929077773435978554554317838154996773462122129
2020-04-17Oliver KruseC-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009 : BBA715B1B6447756
2017-12-07ATHC-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009 : 9A6E86994AEAD043
2017-10-02kkmrkkblmbrbkC-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009 : 9A6E86994AEAD043
2017-09-21Oliver KruseC-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009 : 9A6E86994AEAD043
2017-09-21Oliver KruseC-PRPM11071/2502047/3971411263/308367560163853703/2216735996623080857474009 : 9A6E86994AEAD043
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-10-16-anonymous-F-ECMFactor: 2216735996623080857474009
2008-08-29-anonymous-F-ECMFactor: 308367560163853703
2008-08-26-anonymous-FFactor: 3971411263