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
2009083Factored
FactorDigitsBitsDate
566561407929.1old
15791392391030.62008-07-15 07:49:17
1777519350037784870892167.32021-04-20 23:52:55
8387939026686436580961372479.52022-12-12 12:30:37
ECM
DigitsB1Curves
2550000280 / 280
30250000116 / 640
Estimated T-Level: 25.9 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-05Oliver KruseE5A024B0A8517BD92013
Verified (Factored)2017-11-13kkmrkkblmbrbkE5A024B0A8517BD92166513513
Verified (Factored)2021-04-22RichD02A6EC11FB27DEA9C3159344953
Verified2022-12-14/r/counting2A6EC11FB27DEA9C467681953
History
DateUserTypeResult
2022-12-14iwesCERT
PRP Certification
Proof certified good
2022-12-14/r/countingC-PRP
M2009083/566561407/1579139239/177751935003778487089/838793902668643658096137 : 2A6EC11FB27DEA9C
PRP proof power = 7
PRP: Verified
Proof certified good
2022-12-12TJAOIF-ECM
Factor: 838793902668643658096137 / (ECM curve 23, B1=250000, B2=40000000)
2021-04-22Chad Steenerson CERT
PRP Certification
Proof certified good
2021-04-22RichD0C-PRP
M2009083/566561407/1579139239/177751935003778487089 : 2A6EC11FB27DEA9C
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2021-04-20_p95holder_F-ECM
Factor: 177751935003778487089 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-13kkmrkkblmbrbkC-PRP
M2009083/566561407/1579139239 : E5A024B0A8517BD9
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M2009083/566561407/1579139239 : E5A024B0A8517BD9
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 1579139239