is 2 23390363 - 1
has 7041201 decimal digits
takes 18.972 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L9718FC55CFAE9A55double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27010.215864.2857 %358000118450001.15714.7406 %11.372965.9788 %
Target27010.215864.2857 %160000225000001.61973.4825 %11.835465.5295 %
Difference---+198000-10655000-0.4626+1.2582%-0.4626+0.4493 %

Known prime factors (1 factor, 82.8 bits, 0.00035395% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2339036383607664263942149135671672582.790178722459895004941
19 × 307 × 499 × 8737 × 7027879
2020-11-278737702787981,5830.46000.8411

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2004-03-08Stephen Whitev4_computers335000335000--0.3941.730%
2004-08-04Stephen Whitev4_computers335000335000--0.3941.730%
2020-11-27firejugglerMaison358000118450001222582.7901.0844.741%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-05-06firejugglerMaison5000002350000027--2.191
2021-05-13firejugglerMaison5000002350000065--2.191


Trial Factoring results:
5758596061626364656667686970
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-09-10Net_Forcev4_computers212560.000
2003-10-23Glennv4_computers212670.639
2016-07-30VictordeHollanderManual testing2672681.278
2018-01-03VictordeHollanderManual testing2682692.556
2018-08-23ramgeisManual testing2692705.112


ECM factoring results:
No ECM results for M23390363


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-07-13Stephen Whitev4_computers9718FC55CFAE9A5518.97
2010-07-01William Jelsmad5309718FC55CFAE9A5518.97


PRP results:
No PRP results for M23390363


CERT results:
No CERT results for M23390363


P-1 factor-bounds graph:
B1 = 358000, B2 = 11845000 (P-1 stage 2)
B1 = 358000 (P-1 stage 1)
B1 = 335000 (P-1 stage 1)
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103
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105
106
102
103
104
105
106
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108
TF factor-bounds graph:
270
269
268
267
256
this exponent TF target: 70
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00