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
5214061Factored
FactorDigitsBitsDate
222640404711134.4old
41765992626459047011272271.82022-01-25 22:26:35
8487903993340902117210972479.52022-01-30 00:04:22
ECM
DigitsB1Curves
255000038 / 280
Estimated T-Level: 20.7 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-11-23kkmrkkblmbrbk368A958A86C945C6183483253
Verified (Factored)2018-05-27Battlemaxx368A958A86C945C61256860353
Verified (Factored)2022-01-26happy5214368A958A86C945C62215017953
Verified2022-01-30happy5214368A958A86C945C6323954453
P-1 factors
DateFactorB1B2
2022-01-25417659926264590470112725000002500000
2022-01-3084879039933409021172109725000006555248700
History
DateUserTypeResult
2022-01-30KrieselCERT
PRP Certification
Proof certified good
2022-01-30happy5214NF-PP1
Start=2/7, B1=1250000, B2=46250000
2022-01-30happy5214C-PRP
M5214061/22264040471/4176599262645904701127/848790399334090211721097 : 368A958A86C945C6
PRP proof power = 7
PRP: Verified
Proof certified good
2022-01-30happy5214NF-PP1
Start=6/5, B1=1250000, B2=45000000
2022-01-30happy5214F-PM1
Factor: 848790399334090211721097 / (P-1, B1=2500000, B2=6555248700)
2022-01-26PuangCERT
PRP Certification
Proof certified good
2022-01-26happy5214C-PRP
M5214061/22264040471/4176599262645904701127 : 368A958A86C945C6
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2022-01-25happy5214F-PP1
Start=2/7, B1=1250000, Factor: 4176599262645904701127
2022-01-25happy5214F-PM1
Factor: 4176599262645904701127 / (P-1, B1=2500000)
2018-05-27BattlemaxxC-PRP
M5214061/22264040471 : 368A958A86C945C6
PRP: Verified (Factored)
PRP without proof (not generated)
2017-11-23kkmrkkblmbrbkC-PRP
M5214061/22264040471 : 368A958A86C945C6
PRP: Verified (Factored)
PRP without proof (not generated)