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
260543Factored
FactorDigitsBitsDate
450739391928.7old
4352303073831238.72008-07-21 09:15:13
3493209934513431548.32014-04-02 10:39:40
382732483721081991755.12014-08-22 10:16:14
6026263631413851111859.12014-08-22 10:16:14
18487620785865000731960.72015-01-23 13:29:11
46214322754206387120985432581.92017-05-19 16:17:55
2003934369828796640024319612787.42021-05-11 04:53:23
683398163784712798983856538704131102.42021-10-29 05:54:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000002274 / 4588
Estimated T-Level: 37.5
TF below 2^119 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse689EC8698E27B3097013
Verified (Factored)2017-10-12Oliver Kruse689EC8698E27B309719674213
Verified (Factored)2017-11-06kkmrkkblmbrbk689EC8698E27B30974886213
Verified (Factored)2020-04-17Oliver Kruse775B3057136CA47978562353
Verified (Factored)2021-05-11mikr775B3057136CA479812871253
Verified (Factored)2021-05-12kutens775B3057136CA47987714353
Verified2021-10-29zr_zircon775B3057136CA47992035653
Verified2021-10-29JackBlock775B3057136CA479915457053
P-1 factors
DateFactorB1B2
2021-05-112003934369828796640024319611000000000231000000000
History
DateUserTypeResult
2022-09-29LordJuliusNF
no factor from 2^66 to 2^67
2022-09-29LordJuliusNF
no factor from 2^65 to 2^66
2022-09-29LordJuliusNF
no factor from 2^64 to 2^65
2022-09-29LordJuliusNF
no factor from 2^63 to 2^64
2022-09-29LordJuliusNF
no factor from 2^62 to 2^63
2022-09-29LordJuliusNF
no factor from 2^61 to 2^62
2021-12-01Seth_TrNF-PM1
B1=1000000000, B2=10086242556390
2021-10-29Ben DeloCERT
PRP Certification
Proof certified good
2021-10-29JackBlockC-PRP
M260543/450739391/435230307383/349320993451343/38273248372108199/602626363141385111/1848762078586500073/4621432275420638712098543/200393436982879664002431961/6833981637847127989838565387041 : 775B3057136CA479
PRP proof power = 5
PRP: Verified
Proof certified good
2021-10-29opiomorphCERT
PRP Certification
Proof certified good
2021-10-29zr_zirconC-PRP
M260543/450739391/435230307383/349320993451343/38273248372108199/602626363141385111/1848762078586500073/4621432275420638712098543/200393436982879664002431961/6833981637847127989838565387041 : 775B3057136CA479
PRP proof power = 5
PRP: Verified
Proof certified good
2021-10-29nordiF-ECM
Factor: 6833981637847127989838565387041 / (ECM curve 7, B1=1000000, B2=162000000, Sigma=3342767857012760)
2021-05-12Pierre AbbatCERT
PRP Certification
Proof certified good
2021-05-12kutensC-PRP
M260543/450739391/435230307383/349320993451343/602626363141385111/38273248372108199/1848762078586500073/4621432275420638712098543/200393436982879664002431961 : 775B3057136CA479
PRP proof power = 5
PRP: Verified (Factored)
Proof certified good
2021-05-11curtiscCERT
PRP Certification
Proof certified good
2021-05-11mikrC-PRP
M260543/450739391/435230307383/349320993451343/38273248372108199/602626363141385111/1848762078586500073/4621432275420638712098543/200393436982879664002431961 : 775B3057136CA479
PRP proof power = 5
PRP: Verified (Factored)
Proof certified good
2021-05-11Seth_TrF-PM1
Factor: 200393436982879664002431961 / (P-1, B1=1000000000, B2=231000000000)
2021-03-18Seth_TrNF-PM1
B1=200000000, B2=36200000000
2021-03-10Seth_TrNF-PM1
B1=20000000, B2=2820000000
2020-04-17Oliver KruseC-PRP
M260543/450739391/435230307383/349320993451343/38273248372108199/602626363141385111/1848762078586500073/4621432275420638712098543 : 775B3057136CA479
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M260543/450739391/435230307383/349320993451343/38273248372108199/602626363141385111/1848762078586500073/4621432275420638712098543 : 689EC8698E27B309
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M260543/450739391/435230307383/349320993451343/602626363141385111/38273248372108199/1848762078586500073/4621432275420638712098543 : 689EC8698E27B309
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M260543/known_factors : 689EC8698E27B309
PRP without proof (not generated)
2017-05-19TJAOIF-ECM
Factor: 4621432275420638712098543 / (ECM curve 7, B1=250000, B2=25000000)
2015-01-23TJAOIF-ECM
Factor: 1848762078586500073 / (ECM curve 34, B1=50000, B2=5000000)
2014-08-22TJAOIF-ECM
Factor: 38273248372108199
2014-08-22TJAOIF-ECM
Factor: 602626363141385111
2014-04-02TJAOIF
Factor: 349320993451343
2008-07-21J FeitsmaF
Factor: 435230307383