is 2 81469369 - 1
has 24524724 decimal digits
takes 254.224 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
Actual27593.923764.0000 %6750006750003.05421.5794 %96.977964.5686 %
Target27593.923764.0000 %5500009000000024.53973.8834 %118.463465.3980 %
Difference---+125000-89325000-21.4855-2.3041 %-21.4855-0.8295 %

Known prime factors (1 factor, 82.2 bits, 0.00010089% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8146936955472987358205136948620572582.19834045303185179412
22 × 3 × 72 × 4817 × 48869 × 245963
2017-05-204886924596315,9570.26970.4500

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-05-20AnthonyRaisTest67500067500012582.1983.0541.579%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-14Architects Cubedm1_052642650.046
2012-08-05Carsten KossendeyManual testing2652660.092
2013-01-30phoenicisManual testing2662670.183
2013-01-31Florimond C.ichthys22672680.367
2013-02-05linded2682690.734
2013-02-09MadPooIntCache022692701.468
2014-02-25Ryan PropperManual testing2702712.935
2016-09-26Judge HaleManual testing27127317.61
2016-11-06TheJudgerManual testing27327570.44


ECM factoring results:
No ECM results for M81469369


Lucas-Lehmer results:
No L-L results for M81469369


PRP results:
No PRP results for M81469369


CERT results:
No CERT results for M81469369


P-1 factor-bounds graph:
B1 = 675000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
275
273
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00