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
2257639Factored
FactorDigitsBitsDate
53460891531032.3old
4470104680000378011858.62015-09-21 11:10:01
5650387892900196731859.02015-10-15 11:40:25
20245146829055241429112270.82024-01-03 23:07:34
34920380487458747911692271.62022-07-08 14:36:35
ECM
DigitsB1Curves
255000070 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30alpertron8FB4137D3A939C5A3013
Verified (Factored)2017-10-29Oliver Kruse8FB4137D3A939C5A337073313
Verified (Factored)2022-07-10_p95holder_736C28A8648899664108695453
Verified (Factored)2022-07-13happy5214736C28A864889966432409453
Verified2024-01-04Anton Tsvetkov736C28A86488996658472853
History
DateUserTypeResult
2024-01-05Simon JosefssonCERT
PRP Certification
Proof certified good
2024-01-04Anton TsvetkovC-PRP
M2257639/5346089153/447010468000037801/565038789290019673/3492038048745874791169/2024514682905524142911 : 736C28A864889966
PRP proof power = 7
PRP: Verified
Proof certified good
2024-01-03debrouxlF-ECM
Factor: 2024514682905524142911 / (ECM curve 33, B1=50000, B2=7000000, Sigma=6124733502901407)
2022-07-13happy5214C-PRP
M2257639/5346089153/447010468000037801/565038789290019673/3492038048745874791169 : 736C28A864889966
PRP proof power = 7
PRP: Verified (Factored)
PRP proof never uploaded
2022-07-10_p95holder_C-PRP
M2257639/5346089153/447010468000037801/565038789290019673/3492038048745874791169 : 736C28A864889966
PRP: Verified (Factored)
PRP without proof (not generated)
2022-07-08_p95holder_F-ECM
Factor: 3492038048745874791169 / (ECM curve 4, B1=50000, B2=5000000)
2017-10-29Oliver KruseC-PRP
M2257639/5346089153/447010468000037801/565038789290019673 : 8FB4137D3A939C5A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2257639/447010468000037801/5346089153/565038789290019673 : 8FB4137D3A939C5A
PRP: Verified (Factored)
PRP without proof (not generated)
2016-04-12alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-10-15TJAOIF
Factor: 565038789290019673 / TF: 58-59
2015-09-21TJAOIF
Factor: 447010468000037801 / TF: 58-59