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
6101Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
7906897722.9old
807711391929.6old
5384331520798588108685292478.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001429 / 9201
Estimated T-Level: 40.8
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9F6EEAEDF13082423013
Verified2017-10-02kkmrkkblmbrbk9F6EEAEDF13082423013
Verified2017-12-07ATH9F6EEAEDF13082423412513
Verified2020-04-17Oliver Kruse4B72F409887A4FC0357553
Verified2024-02-03Wentao Huang4B72F409887A4FC03601253
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
2024-10-21Denial140factor ECM small0.00 % 2024-10-24
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6101/7906897/807711391/538433152079858810868529 : 4B72F409887A4FC0
PRP: Verified
PRP without proof (small exponent)
2023-07-28-Anonymous-NF-PM1
B1=40000000000, B2=169617550478676300
2021-07-08ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M6101/7906897/807711391/538433152079858810868529 : 4B72F409887A4FC0
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M6101/7906897/807711391/538433152079858810868529 : 9F6EEAEDF1308242
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M6101/7906897/807711391/538433152079858810868529 : 9F6EEAEDF1308242
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6101/known_factors : 9F6EEAEDF1308242
PRP without proof (not generated)