is 2 7093907 - 1
has 2135479 decimal digits
takes 1.547 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L4260A15937513B75double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual273269.646168.4932 %450000138375000.37293.2114 %270.019069.5050 %
Target2674.188765.6716 %4500050000000.09962.3048 %4.288266.4629 %
Difference+6+265.4574+2.8215 %+405000+8837500+0.2733+0.9065%+265.7308+3.0421 %

Known prime factors (1 factor, 83.5 bits, 0.00117749% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7093907139650472405121858141048412683.530984298725688974060
22 × 3 × 5 × 137 × 269 × 582173 × 764629
2016-03-20582173764629459,0430.18720.3746

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2001-11-03ANONYMOUSv4_computers2500093750--0.0090.963%
2011-12-21Carsten Kossendeymother4500001383750012--0.3735.801%
2016-03-20mikrS0635000000500000012683.5301.5815.226%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-06-07ANONYMOUSv4_computers212620.043
2001-11-03ANONYMOUSv4_computers212630.138
2012-02-19Never Odd Or EvenManual testing2632661.857
2012-03-14Never Odd Or EvenManual testing2662686.320
2013-03-13Never Odd Or EvenManual testing26827158.99
2013-07-02Never Odd Or EvenManual testing271273202.3


ECM factoring results:
Total ECM effort:0.995 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.995


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-05-09ANONYMOUSv4_computers4260A15937513B751.547
2000-03-22ANONYMOUSv4_computers4260A15937513B751.547
2002-01-08ANONYMOUSv4_computers4260A15937513B751.547


PRP results:
dateuseridcompidcofactorsres64
2018-02-10Oliver KruseGTX-3
13965047240512185814104841
A90BC822E0F686E2
2019-03-16arnaudstm-11-010
13965047240512185814104841
A90BC822E0F686E2


CERT results:
No CERT results for M7093907


P-1 factor-bounds graph:
B1 = 5000000 (P-1 stage 1)
B1 = 450000, B2 = 13837500 (P-1 stage 2)
B1 = 450000 (P-1 stage 1)
B1 = 25000, B2 = 93750 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
TF factor-bounds graph:
273
271
268
266
263
262
this exponent TF target: 67
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
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290
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Last modified: 2024-03-13T02:15:48+00:00