is 2 90289709 - 1
has 27179911 decimal digits
takes 304.393 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
Actual27584.748464.0000%----84.748464.0000%2.0282%
PrimeNet2715.294961.9718%360000180000006.45795.4747%11.752964.0538%2.0819%
GPU7227584.748464.0000%600000200000008.09994.0587%92.848365.4611%1.4611%
Difference----600000-20000000-8.0999-4.0587%-8.0999-1.4611%-1.4611%

Known prime factors (1 factor, 74.6 bits, 0.00008265% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90289709290509854691742470851192374.621160876504038651
3 × 3929 × 71707 × 190339
2018-11-257170719033981.3640.38210.7134

P-1 results:
Exponent "90289709" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-09-19T20:51:00Carsten Kossendeymother265266--0.083--
2010-12-25T19:28:00Carsten KossendeyManual testing266267--0.166--
2011-09-09T13:31:00Carsten KossendeyManual testing267268--0.331--
2012-05-23T06:16:00Carsten KossendeyManual testing268269--0.662--
2013-11-26T12:10:00Carsten KossendeyManual testing269270--1.324--
2014-01-30T01:26:00GrunwalderGIMPcompute-head270271--2.648--
2015-11-29T19:18:48Carsten KossendeyManual testing271272--5.297--
2016-10-31T20:23:44Carsten KossendeyManual testing272273--10.59--
2018-04-05T01:13:03Carsten KossendeyManual testing273274--21.19--
2018-11-25T15:48:08TheJudgerManual testing27427574.6212338.99620.079.42


ECM factoring results:
Exponent "90289709" not found


Lucas-Lehmer results:
Exponent "90289709" not found


PRP results:
Exponent "90289709" not found


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
250
260
270
280
290
2100
Last modified: 2018-11-25T15:48:08+00:00