is 2 82741163 - 1
has 24907572 decimal digits
takes 258.193 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
Actual27592.480164.0000 %7000007000003.16731.6082 %95.647464.5790 %
Target27592.480164.0000 %5500009000000024.53973.8909 %117.019765.4007 %
Difference---+150000-89300000-21.3724-2.2827 %-21.3724-0.8218 %

Known prime factors (1 factor, 83.5 bits, 0.00010087% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
82741163132905138613510867807474172683.45980313796540127716
22 × 29 × 59 × 107 × 751 × 6841 × 21347
2017-09-1768412134730,5220.03450.0630

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-09-17TheJudgerManual testing70000070000012683.4593.6771.608%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-18Architects Cubedm1_172642650.045
2011-03-29KarlMJManual testing2652660.090
2013-06-11SMoffatManual testing2662680.542
2013-08-13qwertyuio999PC12682690.723
2013-08-17qwertyuio999PC12692701.445
2013-11-06SMoffatManual testing2702712.890
2016-11-25ANONYMOUSManual testing27127586.70


ECM factoring results:
No ECM results for M82741163


Lucas-Lehmer results:
No L-L results for M82741163


PRP results:
No PRP results for M82741163


CERT results:
No CERT results for M82741163


P-1 factor-bounds graph:
B1 = 700000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
275
271
270
269
268
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
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290
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Last modified: 2024-03-13T02:15:48+00:00