is 2 90255751 - 1
has 27169689 decimal digits
takes 304.279 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27584.780364.0000%----84.780364.0000%2.0282%
PrimeNet2715.296961.9718%360000180000006.45795.4745%11.754864.0537%2.0818%
GPU7227584.780364.0000%600000200000008.09994.0585%92.880265.4611%1.4611%
Difference----600000-20000000-8.0999-4.0585%-8.0999-1.4611%-1.4611%

Known prime factors (1 factor, 74.7 bits, 0.00008277% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90255751308162616648316768315992374.706170716332884049
32 × 89 × 887 × 240280727
2018-11-2588724028072756.78663.999119.52

P-1 results:
Exponent "90255751" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-19T21:26:00Carsten Kossendeyleela264265--0.041--
2010-06-22T23:29:00Carsten Kossendeyleela265266--0.083--
2010-11-19T05:49:00Carsten KossendeyManual testing266267--0.166--
2011-01-07T06:59:00Carsten KossendeyManual testing267268--0.331--
2012-07-18T11:03:00Carsten KossendeyManual testing268269--0.662--
2013-11-25T07:11:00Carsten KossendeyManual testing269270--1.325--
2014-09-08T18:49:00ANONYMOUS12270271--2.649--
2015-10-30T09:26:23Carsten KossendeyManual testing271272--5.299--
2016-10-12T09:44:24Carsten KossendeyManual testing272273--10.60--
2018-05-04T02:17:01Carsten KossendeyManual testing273274--21.20--
2018-11-25T15:48:05TheJudgerManual testing27427574.7062314.40619.829.32


ECM factoring results:
Exponent "90255751" not found


Lucas-Lehmer results:
Exponent "90255751" not found


PRP results:
Exponent "90255751" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-11-25T15:48:05+00:00