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
80309Factored
FactorDigitsBitsDate
105725192331133.3old
36713519222754440381603300468421672977673499945148.02022-01-11 06:51:52
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000695 / 1566
Estimated T-Level: 32.2
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 Kruse2BFEC3236734A1A61013
Verified (Factored)2017-10-13kkmrkkblmbrbk2BFEC3236734A1A615564913
Verified (Factored)2020-04-17Oliver KruseD20CA3DC9851608912439853
Verified2022-01-11LordJuliusD20CA3DC9851608926405553
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-14masserfactor ECM small0.00 % 2024-04-19
P-1 factors
DateFactorB1B2
2022-01-11367135192227544403816033004684216729776734999100000000020461169718990
History
DateUserTypeResult
2024-01-26masserNF-PP1
Start=6/5, B1=25000000, B2=1475000000
2024-01-26masserNF-PP1
Start=146/61, B1=25000000, B2=1475000000
2024-01-23masserNF-PP1
Start=2/7, B1=25000000, B2=1475000000
2022-01-11LordJuliusC-PRP
M80309/10572519233/367135192227544403816033004684216729776734999 : D20CA3DC98516089
PRP: Verified
PRP without proof (small exponent)
2022-01-11George WoltmanF-PM1
Factor: 367135192227544403816033004684216729776734999 / (P-1, B1=1000000000, B2=20461169718990)
2020-04-17Oliver KruseC-PRP
M80309/10572519233 : D20CA3DC98516089
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M80309/10572519233 : 2BFEC3236734A1A6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M80309/10572519233 : 2BFEC3236734A1A6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M80309/10572519233 : 2BFEC3236734A1A6
PRP without proof (not generated)
2016-10-27kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12