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
10011851Factored
FactorDigitsBitsDate
2107916802606533777090704613213097.42023-04-04 22:03:41
ECM
DigitsB1Curves
255000039 / 280
Estimated T-Level: 20.7
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-10-06Daryl Linabury79A518DCF9BF506F4076280
Verified (Factored)2004-03-08Ronald Beetz79A518DCF9BF506F7612454
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2023-04-06Naegi Makoto52434CCEC04C520F1666773453
History
DateUserTypeResult
2023-04-06CybertomCERT
PRP Certification
Proof certified good
2023-04-06Naegi MakotoC-PRP
M10011851/210791680260653377709070461321 : 52434CCEC04C520F
PRP proof power = 8
PRP: Verified
Proof certified good
2023-04-04JacobZF-PP1
Start=2/7, B1=2000000, B2=150000000, Factor: 210791680260653377709070461321
2021-05-06-Anonymous-NF
no factor from 2^73 to 2^74
2021-04-28-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-28-Anonymous-NF
no factor from 2^71 to 2^72
2021-01-06ViliamFNF
no factor from 2^70 to 2^71
2020-10-02ViliamFNF-PM1
B1=5000000, B2=150000000
2020-09-10ViliamFNF-PM1
B1=1000000, B2=30000000
2017-12-07YxinityNF
no factor from 2^69 to 2^70
2017-09-21ramgeisNF
no factor from 2^68 to 2^69
2016-03-14mikrNF
no factor from 2^67 to 2^68
2015-11-05VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-19ThaNF
no factor from 2^65 to 2^66
2011-12-12bcp19NF-PM1
B1=150000, B2=4000000, E=6
2011-09-14David CampeauNF
no factor from 2^64 to 2^65