is 2 82963103 - 1
has 24974383 decimal digits
takes 258.885 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276184.467564.4737 %660000128700005.99633.3812 %190.463865.6749 %
Target27592.232764.0000 %5500009000000024.53973.8922 %116.772365.4012 %
Difference+1+92.2348+0.4737 %+110000-77130000-18.5434-0.5109 %+73.6914+0.2737 %

Known prime factors (1 factor, 87.4 bits, 0.00010538% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
829631032080346365988785992055816012787.4271253778059620543600
24 × 52 × 11 × 13 × 53 × 67 × 229 × 26954947
2017-02-2622926954947395,7846.645912.411

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-02-26TheJudgerManual testing660000128700001222787.4276.9603.729%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-01Architects Cubedm1_422642650.045
2012-08-16Carsten KossendeyManual testing2652660.090
2013-06-20SRS TechnologyManual testing26627211.35
2016-11-29Judge HaleManual testing27227311.53
2016-12-27RichD0Manual testing27327423.06
2016-12-30Mark RoseManual testing27427546.12
2017-01-02endless_mikeManual testing27527692.23


ECM factoring results:
No ECM results for M82963103


Lucas-Lehmer results:
No L-L results for M82963103


PRP results:
No PRP results for M82963103


CERT results:
No CERT results for M82963103


P-1 factor-bounds graph:
B1 = 660000, B2 = 12870000 (P-1 stage 2)
B1 = 660000 (P-1 stage 1)
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108
TF factor-bounds graph:
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275
274
273
272
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00