is 2 6088613 - 1
has 1832856 decimal digits
takes 1.079 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L80AE90CC1A44290Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.880265.6716 %19500046312500.11224.1460 %4.992567.0949 %
Target2662.425665.1515 %4000045000000.07272.4230 %2.498365.9959 %
Difference+1+2.4547+0.5201 %+155000+131250+0.0395+1.7230%+2.4942+1.0990 %

Known prime factors (1 factor, 73.4 bits, 0.00120487% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6088613121217858880826816019692373.360995447229778168
23 × 124430903722271
2016-05-038124430903722271393.601,742,1023,253,761

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2004-03-26Sturle Sundev4_computers8000016400006--0.0423.210%
2013-03-21Squeeky_SquirrelT7500_220019500046312506--0.1124.604%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-11-21ANONYMOUSv4_computers212620.050
2016-02-23Mark RoseManual testing2622630.161
2014-09-12NesowaManual testing2632640.322
2014-09-17monstManual testing2642650.614
2015-10-09snme2pm1Manual testing2652661.227
2016-03-16Gordon SpenceManual testing2662672.455


ECM factoring results:
Total ECM effort:1.347 GHz-days
Estimated T-Level:0.962
DigitsB1CompleteFacMiss
20110000.19282.505%
25500000.01898.236%
302500000.00199.888%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.808
50000500000020.539


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-12-27ANONYMOUSv4_computers80AE90CC1A44290D1.079
2001-03-25ANONYMOUSv4_computers80AE90CC1A44290D1.079


PRP results:
dateuseridcompidcofactorsres64
2017-09-20kkmrkkblmbrbkManual testing
12121785888082681601969
DBBD08348E7B29B9
2018-09-17rucio
12121785888082681601969
DBBD08348E7B29B9


CERT results:
No CERT results for M6088613


P-1 factor-bounds graph:
B1 = 195000, B2 = 4631250 (P-1 stage 2)
B1 = 195000 (P-1 stage 1)
B1 = 80000, B2 = 1640000 (P-1 stage 2)
B1 = 80000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 66
TF double-checked to: 67
ECM T-Level=0.96 ~= -13-bit
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Last modified: 2024-03-13T02:15:48+00:00