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
5214779Factored
FactorDigitsBitsDate
65032802656044284171962.52009-06-18 01:55:59
7027482286692999038872169.32022-01-28 14:19:53
ECM
DigitsB1Curves
255000018 / 280
Estimated T-Level: 20.3 ⓘ
TF below 2^63 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-01-02Jason Kingan962261BEF49F65770
Verified (Factored)2000-05-31Justin 962261BEF49F657769494
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-11-23kkmrkkblmbrbk95450A4E538C90781387548453
Verified (Factored)2018-05-27Battlemaxx95450A4E538C90781414337853
Verified2022-01-29happy521495450A4E538C9078296588353
History
DateUserTypeResult
2022-01-29Noriaki MatsumuraCERT
PRP Certification
Proof certified good
2022-01-29happy5214C-PRP
M5214779/6503280265604428417/702748228669299903887 : 95450A4E538C9078
PRP proof power = 7
PRP: Verified
Proof certified good
2022-01-28happy5214F-PP1
Start=2/7, B1=1250000, B2=46250000, Factor: 702748228669299903887
2022-01-28happy5214NF-PM1
B1=2500000, B2=6555248700
2018-05-27BattlemaxxC-PRP
M5214779/6503280265604428417 : 95450A4E538C9078
PRP: Verified (Factored)
PRP without proof (not generated)
2017-11-23kkmrkkblmbrbkC-PRP
M5214779/6503280265604428417 : 95450A4E538C9078
PRP: Verified (Factored)
PRP without proof (not generated)
2009-06-18GrunwalderGIMPF-ECM
Factor: 6503280265604428417