Marin Mersenne 2^P-1
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Exponent Range:










MnStatusDetails
11027Factored
FactorDigitsBitsDate
28836387219176889205055127927015005494573676565527951167.62017-04-15 18:04:57
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003549 / 16550
Estimated T-Level: 46.1
TF below 2^148 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown10140
Verified (Factored)George WoltmanCA0430863E0190140
Verified (Factored)Brian J. BeesleyCA0430863E0190140
Verified (Factored)2015-04-11MadPooCA0430863E0190142768
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseAEB7E856FE320B5A1013
Verified2017-10-02kkmrkkblmbrbkAEB7E856FE320B5A1013
Verified2017-12-07ATHAEB7E856FE320B5A1299413
Unverified2020-04-17Oliver KruseA64F858E04131F__1635953
History
DateUserTypeResult
2022-12-29-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11027/288363872191768892050551279270150054945736765655279 : A64F858E04131F__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11027/288363872191768892050551279270150054945736765655279 : AEB7E856FE320B5A
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11027/288363872191768892050551279270150054945736765655279 : AEB7E856FE320B5A
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11027/known_factors : AEB7E856FE320B5A
PRP without proof (not generated)
2017-04-15Sid & AndyF-ECM
Factor: 288363872191768892050551279270150054945736765655279 / (ECM curve 19, B1=44000000, B2=4400000000)
2016-02-23LaurVNF
no factor from 2^57 to 2^58
2015-11-14snme2pm1NF
no factor from 2^62 to 2^63
2015-07-16snme2pm1NF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
CA0430863E019014
2012-12-31bcp19NF-PM1
B1=10000000000, B2=100000000000, E=12
2012-11-08bcp19NF
no factor from 2^60 to 2^61
2010-07-20George WoltmanNF
no factor from 2^59 to 2^60
2010-07-20George WoltmanNF
no factor from 2^58 to 2^59
2010-05-17James HintzNF-PM1
B1=2000000000, B2=50000000000, E=12