Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
16139Factored
FactorDigitsBitsDate
34214681825.0old
128111383926.92008-08-26 19:58:47
13443288950471340.32008-08-26 19:58:47
43228440612011342.02008-08-26 19:58:47
54991040305740411652.32008-08-26 19:58:48
1528549453513824049108757232893096.92009-05-31 18:05:22
20131136895607885083454571480505596936117.32017-09-11 07:18:42
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002423 / 9201
Estimated T-Level: 41.3
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseDA47490B05BF72307013
Verified2017-10-02kkmrkkblmbrbkDA47490B05BF72307013
Verified2017-12-07ATHDA47490B05BF723071108513
Unverified2020-04-17Oliver KruseFA95ABF3A02A85__7476253
P-1 factors
DateFactorB1B2
2022-04-09201311368956078850834545714805055969100000000000100034392085808176
History
DateUserTypeResult
2022-04-09-Anonymous-F-PM1
Factor: 201311368956078850834545714805055969 / (P-1, B1=100000000000, B2=100034392085808180)
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M16139/34214681/128111383/1344328895047/4322844061201/5499104030574041/152854945351382404910875723289/201311368956078850834545714805055969 : FA95ABF3A02A85__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M16139/34214681/128111383/1344328895047/4322844061201/5499104030574041/152854945351382404910875723289/201311368956078850834545714805055969 : DA47490B05BF7230
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M16139/34214681/128111383/1344328895047/4322844061201/5499104030574041/152854945351382404910875723289/201311368956078850834545714805055969 : DA47490B05BF7230
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M16139/34214681/128111383/1344328895047/4322844061201/5499104030574041/152854945351382404910875723289/201311368956078850834545714805055969 : DA47490B05BF7230
PRP without proof (not generated)
2017-09-11kkmrkkblmbrbkF-ECM
Factor: 201311368956078850834545714805055969 / (ECM curve 470, B1=1000000, B2=100000000)
2009-05-31Matthias WurtingerF-ECM
Factor: 152854945351382404910875723289
2008-08-26-Anonymous-F
Factor: 5499104030574041
2008-08-26-Anonymous-F-PM1
Factor: 4322844061201
2008-08-26-Anonymous-F
Factor: 1344328895047
2008-08-26-Anonymous-F
Factor: 128111383