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
3102929Factored
FactorDigitsBitsDate
43441007825.4old
7549798608491239.52008-09-30 14:46:24
200539338714529148172064.12017-07-24 11:15:18
ECM
DigitsB1Curves
25500003 / 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
Verified2017-09-28alpertron5763D76730C4F4CE3013
Verified2017-11-18Oliver Kruse5763D76730C4F4CE389926213
History
DateUserTypeResult
2022-10-07JossNF-PM1
B1=1200000, B2=451528350
2022-09-04JossNF-PM1
B1=1200000, B2=236513550
2022-03-16LordJuliusNF
no factor from 2^66 to 2^67
2022-03-16LordJuliusNF
no factor from 2^65 to 2^66
2022-01-18JossF
Factor: 20053933871452914817 / TF: 64-65
2022-01-07JossNF-PM1
B1=1050000, B2=116447100
2021-06-23JossNF
no factor from 2^67 to 2^68
2021-01-11JossNF
no factor from 2^64 to 2^65
2021-01-07JossNF
no factor from 2^63 to 2^64
2021-01-05JossNF
no factor from 2^62 to 2^63
2021-01-05JossNF
no factor from 2^61 to 2^62
2021-01-04JossNF
no factor from 2^60 to 2^61
2021-01-04JossNF
no factor from 2^59 to 2^60
2020-12-23JossNF-PM1
B1=310292, B2=3102929, E=6
2017-11-18Oliver KruseC-PRP
M3102929/43441007/754979860849/20053933871452914817 : 5763D76730C4F4CE
PRP: Verified
PRP without proof (not generated)
2017-09-28alpertronC-PRP
M3102929/20053933871452914817/43441007/754979860849 : 5763D76730C4F4CE
PRP: Verified
PRP without proof (not generated)
2017-07-24TJAOIF
Factor: 20053933871452914817 / TF: 64-65
2008-09-30markrF
Factor: 754979860849