Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
9700079Factored
FactorDigitsBitsDate
226362305028175228249084812684.22014-12-13 13:57:16
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-04-12Grant Lotter5C0BC74B055A3FBA9072630
Verified (Factored)2003-07-30Geoff Wing5C0BC74B055A3FBA4662180
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2019-10-14mnd97A8EE53B874001351114907153
Verified2020-12-23rucio7A8EE53B874001351955204453
History
DateUserTypeResult
2020-12-23daveward2005CERT
PRP Certification
Proof certified good
2020-12-23rucioC-PRP
M9700079/22636230502817522824908481 : 7A8EE53B87400135
PRP proof power = 8
PRP: Verified
Proof certified good
2019-10-14mnd9C-PRP
M9700079/22636230502817522824908481 : 7A8EE53B87400135
PRP: Verified
PRP without proof (not generated)
2014-12-13JimBaF-ECM
Factor: 22636230502817522824908481 / (ECM curve 3, B1=50000, B2=5000000)
2013-09-10Never Odd Or EvenNF
no factor from 2^74 to 2^75
2013-09-10Never Odd Or EvenNF
no factor from 2^73 to 2^74
2013-09-10Never Odd Or EvenNF
no factor from 2^72 to 2^73
2013-09-10Never Odd Or EvenNF
no factor from 2^71 to 2^72
2013-04-21NesowaNF-PM1
B1=435000, B2=8373750, E=12
2013-03-08Never Odd Or EvenNF
no factor from 2^70 to 2^71
2013-03-08Never Odd Or EvenNF
no factor from 2^69 to 2^70
2012-04-01Never Odd Or EvenNF
no factor from 2^68 to 2^69
2012-02-29Never Odd Or EvenNF
no factor from 2^67 to 2^68
2012-02-29Never Odd Or EvenNF
no factor from 2^66 to 2^67
2012-02-29Never Odd Or EvenNF
no factor from 2^65 to 2^66
2012-02-29Never Odd Or EvenNF
no factor from 2^64 to 2^65
2011-07-17James HeinrichNF-PM1
B1=180000, B2=4050000, E=6