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
181549Factored
FactorDigitsBitsDate
58807352091032.5old
127035862726811443.52008-07-27 10:49:44
6865456693184814572030316472789.12019-11-21 09:47:45
ECM
DigitsB1Curves
2550000280 / 280
30250000633 / 640
Estimated T-Level: 29.9
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseC3DFB8743C11B54A2013
Verified (Factored)2017-09-22Oliver KruseC3DFB8743C11B54A2013
Verified (Factored)2017-11-06kkmrkkblmbrbkC3DFB8743C11B54A212396013
Verified2019-11-22Niels_Mache_NextcloudA85CAE8818591E883393453
Verified2019-11-24arnaudA85CAE8818591E8836470153
Verified2023-08-24USAFSSA85CAE8818591E88311107753
History
DateUserTypeResult
2023-08-24curtiscCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M181549/5880735209/12703586272681/686545669318481457203031647 : A85CAE8818591E88
PRP proof power = 5
PRP: Verified
Proof certified good
2019-11-24arnaudC-PRP
M181549/5880735209/12703586272681/686545669318481457203031647 : A85CAE8818591E88
PRP: Verified
PRP without proof (small exponent)
2019-11-22Niels_Mache_NextcloudC-PRP
M181549/5880735209/12703586272681/686545669318481457203031647 : A85CAE8818591E88
PRP: Verified
PRP without proof (small exponent)
2019-11-21ATHF-ECM
Factor: 686545669318481457203031647 / (ECM curve 1, B1=250000, B2=25000000, Sigma=4666150768430514)
2017-11-06kkmrkkblmbrbkC-PRP
M181549/5880735209/12703586272681 : C3DFB8743C11B54A
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M181549/5880735209/12703586272681 : C3DFB8743C11B54A
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M181549/5880735209/12703586272681 : C3DFB8743C11B54A
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M181549/5880735209/12703586272681 : C3DFB8743C11B54A
PRP without proof (not generated)
2017-05-23kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-07-27J FeitsmaF
Factor: 12703586272681