Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
329603Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
50099657825.6old
1980129574871237.52008-07-21 09:16:57
1830901721442539239212167.32014-10-03 12:40:33
12921512686194227191377192580.12014-10-03 12:40:33
ECM
DigitsB1Curves
2550000280 / 280
30250000481 / 640
Estimated T-Level: 28.8
TF below 2^91 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse4E6E3B849F4699CB4013
Verified2017-10-13Oliver Kruse4E6E3B849F4699CB43579313
Verified2017-12-12ATH4E6E3B849F4699CB430096713
Verified2020-04-18Oliver KruseD9D0C29D561878C94219653
Verified2024-09-06kkmrkkblmbrbkD9D0C29D561878C9416673853
History
DateUserTypeResult
2024-09-16yuriy_5-1NF-PM1
B1=12000002, B2=1704299857260
2024-09-06VassiloCERT
PRP Certification
Proof certified good
2024-09-06kkmrkkblmbrbkC-PRP
M329603/50099657/198012957487/183090172144253923921/1292151268619422719137719 : D9D0C29D561878C9
PRP proof power = 5
PRP: Verified
Proof certified good
2023-03-24Denial140NF-PM1
B1=1000000, B2=20563492950
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M329603/50099657/198012957487/183090172144253923921/1292151268619422719137719 : D9D0C29D561878C9
PRP: Verified
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M329603/50099657/198012957487/183090172144253923921/1292151268619422719137719 : 4E6E3B849F4699CB
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M329603/50099657/198012957487/183090172144253923921/1292151268619422719137719 : 4E6E3B849F4699CB
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M329603/known_factors : 4E6E3B849F4699CB
PRP without proof (not generated)
2014-10-03TJAOIF-ECM
Factor: 1292151268619422719137719
2014-10-03TJAOIF-ECM
Factor: 183090172144253923921
2008-07-21J FeitsmaF
Factor: 198012957487