is 2 6023653 - 1
has 1813301 decimal digits
takes 1.068 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L2AEA6909820685D4double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.932965.6716 %300003750000.01251.5637 %4.945466.2084 %
Target2662.451765.1515 %4000045000000.07272.4187 %2.524565.9944 %
Difference+1+2.4811+0.5201 %-10000-4125000-0.0602-0.8550 %+2.4210+0.2140 %

Known prime factors (1 factor, 70.4 bits, 0.00116876% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
602365315599705043377292860092270.402129487082368268
22 × 421 × 96149 × 799723
2013-01-319614979972344.3780.03460.0503

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-11-15ANONYMOUSv4_computers30000360000--0.0121.774%
2001-06-03ANONYMOUSv4_computers30000375000--0.0131.795%
2013-01-31Squeeky_SquirrelP4_26002270.4020.0570.000%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-03-03ANONYMOUSv4_computers212610.025
1998-06-01ANONYMOUSv4_computers212620.051


ECM factoring results:
Total ECM effort:0.808 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.808


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-10-18ANONYMOUSv4_computers2AEA6909820685D41.068
2001-07-17ANONYMOUSv4_computersD1FD42B2FA32CD731.068
2001-11-04ANONYMOUSv4_computers2AEA6909820685D41.068


PRP results:
dateuseridcompidcofactorsres64
2017-09-20kkmrkkblmbrbkManual testing
1559970504337729286009
90B627C5859CD870
2018-09-15rucio
1559970504337729286009
90B627C5859CD870


CERT results:
No CERT results for M6023653


P-1 factor-bounds graph:
B1 = 30000, B2 = 375000 (P-1 stage 2)
B1 = 30000, B2 = 360000 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
103
104
105
103
104
105
106
TF factor-bounds graph:
262
261
this exponent TF target: 66
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00