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

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Exponent Range:










MnStatusDetails
34849Factored
FactorDigitsBitsDate
836377619.7old
1672753720.72008-08-26 19:59:34
7457687722.82008-08-26 19:59:34
6057212756178116924632169.02009-03-31 12:34:47
30323554893655078621305126807920933107.92015-08-28 23:13:29
5593952702940791859347553412686930909339141135.42022-08-07 07:20:51
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001053 / 4588
Estimated T-Level: 36.1
TF below 2^115 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse842CD3AF97051CA85013
Verified (Factored)2017-10-02kkmrkkblmbrbk842CD3AF97051CA85013
Verified (Factored)2017-12-07ATH842CD3AF97051CA85337713
Verified (Factored)2020-04-17Oliver Kruse1DB3F05D886A1F74586653
Verified2022-08-07nordi1DB3F05D886A1F7463170053
Verified2022-08-07Naegi Makoto1DB3F05D886A1F746184553
Verified2022-08-07Naegi Makoto1DB3F05D886A1F746107253
P-1 factors
DateFactorB1B2
2022-08-07559395270294079185934755341268693090933912000000000408370353971580
History
DateUserTypeResult
2022-08-07Naegi MakotoC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209/55939527029407918593475534126869309093391 : 1DB3F05D886A1F74
PRP: Verified
PRP without proof (small exponent)
2022-08-07Naegi MakotoC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209/55939527029407918593475534126869309093391 : 1DB3F05D886A1F74
PRP: Verified
PRP without proof (small exponent)
2022-08-07nordiC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209/55939527029407918593475534126869309093391 : 1DB3F05D886A1F74
PRP: Verified
PRP without proof (small exponent)
2022-08-07nordiF-PM1
Factor: 55939527029407918593475534126869309093391 / (P-1, B1=2000000000, B2=408370353971580)
2022-06-15nordiNF-PM1
B1=2000000000
2020-04-17Oliver KruseC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209 : 1DB3F05D886A1F74
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209 : 842CD3AF97051CA8
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209 : 842CD3AF97051CA8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M34849/836377/1672753/7457687/605721275617811692463/303235548936550786213051268079209 : 842CD3AF97051CA8
PRP without proof (not generated)
2016-10-21kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2015-08-28James HintzF-ECM
Factor: 303235548936550786213051268079209 / (ECM curve 368, B1=250000, B2=25000000)
2009-03-31Matthias WurtingerF-ECM
Factor: 605721275617811692463
2008-08-26-Anonymous-F
Factor: 7457687
2008-08-26-Anonymous-F
Factor: 1672753