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
3035723Factored
FactorBitsDate
607144722.5old
551522868904942.32008-09-30 14:46:08
262773106905509632161.22016-04-08 11:09:33
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-28nokno09A56491496920361013
Verified2017-12-08kkmrkkblmbrbk09A5649149692036398215713
Verified2017-12-09ATH09A56491496920363179242813
History
DateUserTypeResult
2022-09-04JossNF-PM1
B1=1200000, B2=236513550
2022-03-11LordJuliusNF
no factor from 2^66 to 2^67
2022-03-11LordJuliusNF
no factor from 2^65 to 2^66
2022-03-11LordJuliusNF
no factor from 2^64 to 2^65
2022-03-11LordJuliusNF
no factor from 2^63 to 2^64
2022-03-11LordJuliusNF
no factor from 2^62 to 2^63
2022-01-06JossNF-PM1
B1=1150000, B2=116447100
2021-09-16JossNF
no factor from 2^67 to 2^68
2020-08-03JossNF-PM1
B1=303572, B2=3035723, E=6
2017-12-09ATHC-PRP
M3035723/6071447/5515228689049/2627731069055096321 : 09A5649149692036
PRP: Verified
PRP without proof (not generated)
2017-12-08kkmrkkblmbrbkC-PRP
M3035723/6071447/5515228689049/2627731069055096321 : 09A5649149692036
PRP: Verified
PRP without proof (not generated)
2017-10-28noknoC-PRP
M3035723/known_factors : 09A5649149692036
PRP: Verified
PRP without proof (not generated)
2016-04-08TJAOIF
Factor: 2627731069055096321 / TF: 61-62
2008-09-30markrF
Factor: 5515228689049