is 2 90503909 - 1
has 27244392 decimal digits
takes 305.115 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
Actual27584.547864.0000%----84.547864.0000%2.0282%
PrimeNet2715.282461.9718%400000180000006.64285.5479%11.925264.0816%2.1098%
GPU7227584.547864.0000%600000200000008.09994.0599%92.647765.4616%1.4616%
Difference----600000-20000000-8.0999-4.0599%-8.0999-1.4616%-1.4616%

Known prime factors (1 factor, 74.1 bits, 0.00008184% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90503909198040458236856904377372374.068109409892028452
22 × 33 × 23 × 953 × 46218101
2017-11-289534621810157.20612.31422.990

P-1 results:
Exponent "90503909" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-30T02:02:00Carsten Kossendeyleela264265--0.041--
2010-06-17T18:34:00Carsten Kossendeyleela265266--0.083--
2010-11-25T21:39:00Carsten KossendeyManual testing266267--0.165--
2011-01-06T09:37:00Carsten KossendeyManual testing267268--0.330--
2011-03-22T17:54:00Carsten KossendeyManual testing268269--0.661--
2013-06-28T13:19:00Carsten KossendeyManual testing269270--1.321--
2014-09-05T03:51:00SMoffatManual testing270271--2.642--
2016-02-21T07:09:56Carsten KossendeyManual testing271272--5.284--
2017-02-23T11:22:58Carsten KossendeyManual testing272273--10.57--
2017-11-28T19:19:49Merry DreamManual testing273274--21.14--
2017-11-28T19:19:50Merry DreamManual testing27427574.0682314.93621.530.42


ECM factoring results:
Exponent "90503909" not found


Lucas-Lehmer results:
Exponent "90503909" not found


PRP results:
Exponent "90503909" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2017-11-28T19:19:50+00:00