is 2 90266431 - 1
has 27172904 decimal digits
takes 304.315 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
Actual27584.770364.0000%----84.770364.0000%2.0282%
PrimeNet2715.296361.9718%360000180000006.45795.4746%11.754264.0537%2.0819%
GPU7227584.770364.0000%600000200000008.09994.0586%92.870165.4611%1.4611%
Difference----600000-20000000-8.0999-4.0586%-8.0999-1.4611%-1.4611%

Known prime factors (1 factor, 74.1 bits, 0.00008213% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90266431207482809618541766106012374.135114928001096300
22 × 52 × 7 × 199 × 6551 × 125941
2018-11-25655112594162.9350.06380.0652

P-1 results:
Exponent "90266431" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-06-23T21:27:00Carsten Kossendeyleela265266--0.083--
2010-11-19T15:48:00Carsten KossendeyManual testing266267--0.166--
2011-01-17T23:46:00Carsten KossendeyManual testing267268--0.331--
2012-06-15T14:47:00Carsten KossendeyManual testing268269--0.662--
2013-11-25T07:11:00Carsten KossendeyManual testing269270--1.325--
2014-09-04T14:37:00Ryan PropperManual testing270271--2.649--
2015-11-22T09:45:26Carsten KossendeyManual testing271272--5.298--
2016-10-20T11:17:17Carsten KossendeyManual testing272273--10.60--
2018-05-04T02:17:05Carsten KossendeyManual testing273274--21.19--
2018-11-25T15:46:48TheJudgerManual testing27427574.1352320.55619.941.86


ECM factoring results:
Exponent "90266431" not found


Lucas-Lehmer results:
Exponent "90266431" not found


PRP results:
Exponent "90266431" not found


P-1 factor-bounds graph:
102
103
104
102
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: 2018-11-25T15:46:48+00:00