is 2 90283153 - 1
has 27177938 decimal digits
takes 304.371 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
Actual27584.754664.0000%----84.754664.0000%2.0282%
PrimeNet2715.295361.9718%360000180000006.45795.4747%11.753264.0538%2.0819%
GPU7227584.754664.0000%600000200000008.09994.0587%92.854465.4611%1.4611%
Difference----600000-20000000-8.0999-4.0587%-8.0999-1.4611%-1.4611%

Known prime factors (1 factor, 74.2 bits, 0.00008214% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90283153210718246816587711299832374.158116698542205647
3 × 53 × 101 × 7266862333
2018-11-25101726686233377.8471,935.43,614.8

P-1 results:
Exponent "90283153" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-21T15:03:00Carsten Kossendeyleela264265--0.041--
2010-07-05T23:37:00Carsten Kossendeyleela265266--0.083--
2010-10-21T19:36:00Carsten KossendeyManual testing266267--0.166--
2010-12-18T13:43:00Carsten KossendeyManual testing267268--0.331--
2011-03-24T19:57:00Carsten KossendeyManual testing268269--0.662--
2013-11-25T07:12:00Carsten KossendeyManual testing269270--1.324--
2014-08-30T10:28:00Jacques MOLNEManual testing270271--2.649--
2014-08-30T10:28:00Jacques MOLNEManual testing271272--5.297--
2016-10-31T20:23:42Carsten KossendeyManual testing272273--10.59--
2018-04-05T01:13:00Carsten KossendeyManual testing273274--21.19--
2018-11-25T15:47:09TheJudgerManual testing27427574.1582335.47620.072.25


ECM factoring results:
Exponent "90283153" not found


Lucas-Lehmer results:
Exponent "90283153" not found


PRP results:
Exponent "90283153" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-11-25T15:47:09+00:00