Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
13889671Factored
FactorDigitsBitsDate
1448251668288848915829243155513096.92022-02-20 14:53:13
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-02-24Jason Jordan52A7A3B92D26D41413431055
Verified (Factored)2006-01-15Anton Rebhan52A7A3B92D26D41410625664
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-11-02Oliver KruseAE7D2953F2AFDF251369909753
P-1 factors
DateFactorB1B2
2022-02-2014482516682888489158292431555115000004677773100
History
DateUserTypeResult
2022-11-02wombatmanCERT
PRP Certification
Proof certified good
2022-11-02Oliver KruseC-PRP
M13889671/144825166828884891582924315551 : AE7D2953F2AFDF25
PRP proof power = 8
PRP: Verified
Proof certified good
2022-02-20LuminescenceF-PM1
Factor: 144825166828884891582924315551 / (P-1, B1=1500000, B2=4677773100)
2021-10-23-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-04SRBaseNF
no factor from 2^70 to 2^71
2021-08-17SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2016-09-07ThaNF-PM1
B1=300000, B2=6000000, E=12
2015-09-07NesowaNF
no factor from 2^66 to 2^67
2014-07-08NesowaNF
no factor from 2^65 to 2^66