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
79259Factored
FactorDigitsBitsDate
158519617.3old
3328879721.72008-08-26 20:11:14
539781623273996462107294814215850262740158343142.02021-12-20 20:46:52
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000726 / 1566
Estimated T-Level: 32.3 ⓘ
TF below 2^102 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse5892EFEB11CFD0502013
Verified (Factored)2017-10-13kkmrkkblmbrbk5892EFEB11CFD05023459713
Verified (Factored)2020-04-17Oliver KruseC877D1341DE042C224940553
Verified2021-12-20mikrC877D1341DE042C236778853
Verified (Factored)2022-05-12Jorge CoveiroC877D1341DE042C214899753
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-16masserfactor ECM small0.00 % 2024-04-19
P-1 factors
DateFactorB1B2
2021-12-20539781623273996462107294814215850262740158310000000001000000000
History
DateUserTypeResult
2024-01-26masserNF-PP1
Start=6/5, B1=25000000, B2=1475000000
2024-01-25masserNF-PP1
Start=172/23, B1=25000000, B2=1475000000
2024-01-23masserNF-PP1
Start=2/7, B1=25000000, B2=1475000000
2022-05-12Jorge CoveiroC-PRP
M79259/158519 : C877D1341DE042C2
PRP: Verified (Factored)
PRP without proof (small exponent)
2022-01-11George WoltmanNF-PM1
B1=1000000000, B2=20461169718990
2021-12-20mikrC-PRP
M79259/158519/3328879/5397816232739964621072948142158502627401583 : C877D1341DE042C2
PRP: Verified (Factored)
PRP without proof (small exponent)
2021-12-20George WoltmanF-PM1
Factor: 5397816232739964621072948142158502627401583 / (P-1, B1=1000000000, B2=1000000000)
2020-04-17Oliver KruseC-PRP
M79259/158519/3328879 : C877D1341DE042C2
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M79259/158519/3328879 : 5892EFEB11CFD050
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M79259/158519/3328879 : 5892EFEB11CFD050
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M79259/158519/3328879 : 5892EFEB11CFD050
PRP without proof (not generated)
2016-12-23kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F
Factor: 3328879