Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
442499Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
884999619.8old
31859929824.92008-07-21 09:19:24
217997743042869911754.32014-11-14 12:09:59
1022998946019895185176232476.42016-07-22 08:41:09
ECM
DigitsB1Curves
2550000280 / 280
30250000250 / 640
Estimated T-Level: 27.0
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-24Oliver Kruse3FE68AE1E37402214013
Verified2017-10-13Oliver Kruse3FE68AE1E3740221439268013
Verified2017-12-16ATH3FE68AE1E3740221425345913
Verified2020-04-18Oliver Kruse349D4CBB0524327A41905653
Verified (Factored)2022-05-12Jorge Coveiro349D4CBB0524327A14105753
Verified (Factored)2022-05-12Jorge Coveiro349D4CBB0524327A14105753
Verified2024-07-24kkmrkkblmbrbk349D4CBB0524327A49322553
History
DateUserTypeResult
2024-07-24Luke DurantCERT
PRP Certification
Proof certified good
2024-07-24kkmrkkblmbrbkC-PRP
M442499/102299894601989518517623/21799774304286991/31859929/884999 : 349D4CBB0524327A
PRP proof power = 6
PRP: Verified
Proof certified good
2024-03-16USAFSSNF-PM1
B1=400000, B2=2028595800
2022-05-12Jorge CoveiroC-PRP
M442499/884999 : 349D4CBB0524327A
PRP proof power = 6
PRP: Verified (Factored)
PRP proof never uploaded
2020-04-18Oliver KruseC-PRP
M442499/884999/31859929/21799774304286991/102299894601989518517623 : 349D4CBB0524327A
PRP: Verified
PRP without proof (small exponent)
2017-12-16ATHC-PRP
M442499/884999/31859929/21799774304286991/102299894601989518517623 : 3FE68AE1E3740221
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M442499/884999/31859929/21799774304286991/102299894601989518517623 : 3FE68AE1E3740221
PRP: Verified
PRP without proof (small exponent)
2017-09-24Oliver KruseC-PRP
M442499/884999/31859929/21799774304286991/102299894601989518517623 : 3FE68AE1E3740221
PRP without proof (not generated)
2016-07-22TJAOIF-ECM
Factor: 102299894601989518517623 / (ECM curve 19, B1=50000, B2=5000000)
2014-11-14TJAOIF
Factor: 21799774304286991 / TF: 54-55
2008-07-21J FeitsmaF
Factor: 31859929