Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
31817Factored
FactorDigitsBitsDate
34553263825.0old
35571407825.12008-08-26 19:59:26
53134391825.72008-08-26 19:59:26
1061478117671236.62008-08-26 19:59:26
33345108521414882331961.52009-03-30 14:34:02
31287629618031227916862288540723333107.92018-05-29 08:48:48
6161651192426454542564369935578580935115.62018-05-30 03:17:06
26519640895113829883997785554364401736117.72018-05-30 22:18:05
1743822663141433922628521374869066910083141133.72020-02-18 10:06:32
2412039032708167151784313089121153700487141134.12018-07-21 09:50:54
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
551100000008454 / 40830
Estimated T-Level: 51.0
TF below 2^165 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse9F398D66DB9EACF65013
Verified (Factored)2017-10-02kkmrkkblmbrbk9F398D66DB9EACF65013
Verified (Factored)2017-12-07ATH9F398D66DB9EACF65589513
Verified (Factored)2018-06-01M Graber91637D3708C3904081189753
Verified (Factored)2018-06-01M Graber91637D3708C3904081500553
Verified (Factored)2018-06-01M Graber91637D3708C3904082439253
Verified (Factored)2018-06-01M Graber91637D3708C390408143953
Verified (Factored)2018-06-02Oliver Kruse91637D3708C3904071208253
Verified (Factored)2018-06-03Oliver Kruse91637D3708C390406754153
Verified (Factored)2018-07-01kkmrkkblmbrbk91637D3708C39040816053
Verified (Factored)2018-07-22_p95holder_91637D3708C3904092008053
Verified (Factored)2019-08-10nordi91637D3708C3904011942753
Verified2020-02-18nordi91637D3708C39040102895753
Verified2020-02-19Jinyuan Wang91637D3708C39040101432553
Verified2020-02-19xyuzyz91637D3708C39040101353153
P-1 factors
DateFactorB1B2
2021-02-25345532631000000000010000000000
2024-03-0731287629618031227916862288540723310000000000002004561742532529152
History
DateUserTypeResult
2024-03-07-Anonymous-F-PM1
Factor: 312876296180312279168622885407233 / (P-1, B1=1000000000000, B2=2004561742532529180)
2022-07-19nordiNF-PM1
B1=400000000000, B2=400119674985600570
2022-02-09nordiNF-PM1
B1=400000000000
2021-12-22Seth_TrNF-PM1
B1=10000000000, B2=252517976190480
2021-08-24nordiNF-PP1
Start=6/5, B1=2200000000, B2=220000000000
2021-04-23nordiNF-PP1
Start=2/7, B1=2200000000, B2=220000000000
2021-03-01Seth_TrNF-PM1
B1=10000000000, B2=1000000000000, E=12
2021-02-25Seth_TrF-PM1
Factor: 6932292235325039464332944259181777 / (P-1, B1=10000000000)
2021-02-18Seth_TrNF-PM1
B1=100000000
2020-05-21Oliver KruseNF-PM1
B1=1000000000, B2=200000000000, E=12
2020-02-19xyuzyzC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017/24120390327081671517843130891211537004871/17438226631414339226285213748690669100831 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2020-02-19Jinyuan WangC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017/17438226631414339226285213748690669100831/24120390327081671517843130891211537004871 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2020-02-18nordiC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017/24120390327081671517843130891211537004871/17438226631414339226285213748690669100831 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2020-02-18nordiF-ECM
Factor: 17438226631414339226285213748690669100831 / (ECM curve 6, B1=43000000, B2=4300000000, Sigma=4101079660800333)
2019-08-10nordiC-PRP
M31817/2850563627269674533202886063020109347531951769480594468198146018565464630543215088809765717524154002845624716356709102235048978615178624657177396487614752656095467223859589968368667258496204548239 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-07-22_p95holder_C-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017/24120390327081671517843130891211537004871 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-07-21nordiF-ECM
Factor: 24120390327081671517843130891211537004871 / (ECM curve 493, B1=11000000, B2=1100000000)
2018-07-01kkmrkkblmbrbkC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-03Oliver KruseC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-02Oliver KruseC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-01M GraberC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-01M GraberC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-01M GraberC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-06-01M GraberC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233/312876296180312279168622885407233/61616511924264545425643699355785809/265196408951138298839977855543644017 : 91637D3708C39040
PRP: Verified
PRP without proof (small exponent)
2018-05-30nordiF-ECM
Factor: 265196408951138298839977855543644017 / (ECM curve 25, B1=3000000, B2=300000000)
2018-05-30kkmrkkblmbrbkF-ECM
Factor: 61616511924264545425643699355785809 / (ECM curve 812, B1=1000000, B2=100000000)
2018-05-29kkmrkkblmbrbkF-ECM
Factor: 312876296180312279168622885407233 / (ECM curve 15, B1=1000000, B2=100000000)
2017-12-07ATHC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233 : 9F398D66DB9EACF6
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M31817/34553263/35571407/53134391/106147811767/3334510852141488233 : 9F398D66DB9EACF6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M31817/known_factors : 9F398D66DB9EACF6
PRP without proof (not generated)
2016-10-08kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2009-03-30Matthias WurtingerF-ECM
Factor: 3334510852141488233
2008-08-26-Anonymous-F
Factor: 106147811767
2008-08-26-Anonymous-F
Factor: 53134391
2008-08-26-Anonymous-F
Factor: 35571407