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
2798461Factored
FactorDigitsBitsDate
601090558710214331755.7old
5636649584180659105372168.92023-01-22 03:42:56
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-21Oliver Kruse1D1DE08A0911B7221235531553
Verified (Factored)2017-12-06kkmrkkblmbrbk1D1DE08A0911B7221207184453
Verified2023-01-23LordJulius1D1DE08A0911B7222139087853
P-1 factors
DateFactorB1B2
2023-01-22563664958418065910537246000252549990
History
DateUserTypeResult
2023-01-23David BarinaCERT
PRP Certification
Proof certified good
2023-01-23LordJuliusC-PRP
M2798461/60109055871021433/563664958418065910537 : 1D1DE08A0911B722
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-22USAFSSF-PM1
Factor: 563664958418065910537 / (P-1, B1=246000, B2=252549990)
2017-12-06kkmrkkblmbrbkC-PRP
M2798461/60109055871021433 : 1D1DE08A0911B722
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-21Oliver KruseC-PRP
M2798461/60109055871021433 : 1D1DE08A0911B722
PRP: Verified (Factored)
PRP without proof (not generated)