is 2 34347563 - 1
has 10339647 decimal digits
takes 40.645 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L30D32A492C984463double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2693.475862.3188 %38500078925001.36245.1146 %4.838364.2461 %
Target27113.918863.3803 %240000400000004.12873.9490 %18.047564.8264 %
Difference-2-10.4430-1.0614 %+145000-32107500-2.7663+1.1656%-13.2093-0.5803 %

Known prime factors (1 factor, 69.4 bits, 0.00020208% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
343475637836639622586447517192169.40911407853917593
33 × 72 × 23 × 47 × 7976611
2013-01-264979766115.89670.74581.3927

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2005-05-28ANONYMOUSv4_computers3850007892500--1.3624.199%
2013-01-26NumberwangManual testing2169.4091.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2005-01-20ANONYMOUSv4_computers212680.870
2013-01-26NumberwangManual testing2682691.741


ECM factoring results:
No ECM results for M34347563


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-12-12usmfunv4_computers30D32A492C98446340.64
2007-07-04Team Prime Ribv4_computersFBB52C03F851E7B540.64


PRP results:
No PRP results for M34347563


CERT results:
No CERT results for M34347563


P-1 factor-bounds graph:
B1 = 385000, B2 = 7892500 (P-1 stage 2)
B1 = 385000 (P-1 stage 1)
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106
100
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107
TF factor-bounds graph:
269
268
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00