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
2016017Factored
FactorDigitsBitsDate
6918839259631275191859.3old
34162234558663388244312271.52021-08-11 05:47:00
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.
LL
StatusDateUserResidueShift
Verified (Factored)Tom RoeslerCDCBE015D301A6230
Verified (Factored)1999-03-15Bjørn Roger LarsenCDCBE015D301A623518188
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver KruseAEBA2500AB93298D1013
Verified (Factored)2017-11-13kkmrkkblmbrbkAEBA2500AB93298D180202513
Verified2021-08-11SRJ28779DAD36831A4034AA212517353
History
DateUserTypeResult
2021-08-11Ben DeloCERT
PRP Certification
Proof certified good
2021-08-11SRJ2877C-PRP
M2016017/691883925963127519/3416223455866338824431 : 9DAD36831A4034AA
PRP proof power = 7
PRP: Verified
Proof certified good
2021-08-11_p95holder_F-ECM
Factor: 3416223455866338824431 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-13kkmrkkblmbrbkC-PRP
M2016017/691883925963127519 : AEBA2500AB93298D
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M2016017/691883925963127519 : AEBA2500AB93298D
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12