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

PrimeNet Exponent Status

Exponent Range:
to


  
MnStatusDetails
208121Factored23409509602607

620657116651653717114239705479
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2021-05-11mnd9B74AC956DB66190429705353
Verified (Factored)2020-04-17Oliver KruseB74AC956DB66190415408253
Verified (Factored)2017-10-12kkmrkkblmbrbkCE56B48740BBDEC0116347213
Verified (Factored)2017-09-22Oliver KruseCE56B48740BBDEC01013
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-01-26-Anonymous-factor ECM small0.0 % 2020-01-262020-03-26
History
DateUserTypeResult
2021-05-11mnd9C-PRPM208121/23409509602607/620657116651653717114239705479 : B74AC956DB661904
2021-05-11Oliver KruseF-PM1Factor: 620657116651653717114239705479 / (P-1, B1=30000000, B2=3000000000)
2020-04-17Oliver KruseC-PRPM208121/23409509602607 : B74AC956DB661904
2017-10-12kkmrkkblmbrbkC-PRPM208121/23409509602607 : CE56B48740BBDEC0
2017-09-22Oliver KruseC-PRPM208121/23409509602607 : CE56B48740BBDEC0
2017-09-22Oliver KruseC-PRPM208121/23409509602607 : CE56B48740BBDEC0