Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
13782551Factored
FactorDigitsBitsDate
16031406288434747714092270.42021-09-04 06:49:36
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ernst W. Mayer754EC501441D75350
Verified (Factored)2005-04-11Shattering Technologies754EC501441D753510889611
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-10-06Perig6E5FA2522EF6027611236272553
History
DateUserTypeResult
2023-11-02nordiNF-PM1
B1=500000, B2=320708850
2023-10-23nordiNF-PM1
B1=500000
2022-10-06WeakForceBosonCERT
PRP Certification
Proof certified good
2022-10-06PerigC-PRP
M13782551/1603140628843474771409 : 6E5FA2522EF60276
PRP proof power = 8
PRP: Verified
Proof certified good
2022-08-07nordiNF-PM1
B1=300000
2021-09-04SRBaseF
Factor: 1603140628843474771409 / TF: 70-71*
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-22-Anonymous-NF
no factor from 2^67 to 2^68
2015-08-20NesowaNF
no factor from 2^66 to 2^67
2015-06-30Sid & AndyNF-PM1
B1=155000, B2=2983750, E=6
2014-07-02NesowaNF
no factor from 2^65 to 2^66