is 2 7080193 - 1
has 2131351 decimal digits
takes 1.544 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L0CC319EFF34143D8double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.196865.6716 %8500015512500.05212.9139 %4.248966.6719 %
Target2674.196865.6716 %4500050000000.09962.3041 %4.296466.4626 %
Difference---+40000-3448750-0.0475+0.6097%-0.0475+0.2093 %

Known prime factors (1 factor, 71.3 bits, 0.00100647% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
708019328268393079732141810312271.260199630102454355
3 × 5 × 13308673496957
2017-06-2751330867349695767.523229,260428,195

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-07-23Carsten Kossendeymother40000590000--0.0221.958%
2012-01-14bcp19Turion_x28500015512506--0.0522.914%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-06-01ANONYMOUSv4_computers212620.043
1998-11-07ANONYMOUSv4_computers212620.043
2005-07-01David Campeauv4_computers212630.139
2014-02-06NesowaManual testing2632640.277
2014-02-09lycornManual testing2642650.528
2015-06-16VictordeHollanderManual testing2652661.055
2016-08-21kkmrkkblmbrbkManual testing2662672.111


ECM factoring results:
Total ECM effort:1.989 GHz-days
Estimated T-Level:1.154
DigitsB1CompleteFacMiss
20110000.23179.392%
25500000.02197.887%
302500000.00199.865%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.995
50000500000030.995


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-06-26ANONYMOUSv4_computers0CC319EFF34143D81.544


PRP results:
dateuseridcompidcofactorsres64
2018-02-04ATHec2-1xh
2826839307973214181031
739A4A3E7B1CDBB8
2019-03-12kkmrkkblmbrbkc5.large
2826839307973214181031
739A4A3E7B1CDBB8


CERT results:
No CERT results for M7080193


P-1 factor-bounds graph:
B1 = 85000, B2 = 1551250 (P-1 stage 2)
B1 = 85000 (P-1 stage 1)
B1 = 40000, B2 = 590000 (P-1 stage 2)
B1 = 40000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 67
TF double-checked to: 67
ECM T-Level=1.15 ~= -13-bit
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Last modified: 2024-02-09T03:30:02+00:00