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:





MnDetails
267017
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
1602103720.6old
20416119831030.92008-07-21 09:15:24
4691902667816471548.72014-04-11 11:44:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000188 / 1566
Estimated T-Level: 30.6 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-22Oliver Kruse8DB36F20753BFD273013
Verified
No proof (small exponent)
2017-10-12Oliver Kruse8DB36F20753BFD27324478813
Verified
No proof (small exponent)
2017-11-06kkmrkkblmbrbk8DB36F20753BFD27321511713
Verified
No proof (small exponent)
2020-04-17Oliver Kruse791680388C09E4F539553953
Verified
Certified Good
2024-08-01kkmrkkblmbrbk791680388C09E4F5316266353
History
DateUserTypeResult
2024-08-01Evans PaschalCERT
Proof certified good
2024-08-01kkmrkkblmbrbkC-PRPM267017/1602103/2041611983/469190266781647 : 791680388C09E4F5
Proof Certified Good

Proof Power: 5

2021-06-30George WoltmanNF-PP1Start=2/7, B1=10000000, B2=830000000
2021-06-30George WoltmanNF-PM1B1=20000000, B2=1820000000
2020-04-17Oliver KruseC-PRPM267017/1602103/2041611983/469190266781647 : 791680388C09E4F5
2017-11-06kkmrkkblmbrbkC-PRPM267017/1602103/2041611983/469190266781647 : 8DB36F20753BFD27
2017-10-12Oliver KruseC-PRPM267017/1602103/2041611983/469190266781647 : 8DB36F20753BFD27
2017-09-22Oliver KruseC-PRPM267017/1602103/2041611983/469190266781647 : 8DB36F20753BFD27
2017-09-22Oliver KruseC-PRPM267017/1602103/2041611983/469190266781647 : 8DB36F20753BFD27
2014-04-11TJAOIFFactor: 469190266781647
2008-07-21J FeitsmaFFactor: 2041611983