is 2 90251617 - 1
has 27168444 decimal digits
takes 304.265 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
Actual27584.784264.0000%----84.784264.0000%2.0282%
PrimeNet2715.297261.9718%360000180000006.45795.4745%11.755164.0537%2.0818%
GPU7227584.784264.0000%600000200000008.09994.0585%92.884065.4611%1.4611%
Difference----600000-20000000-8.0999-4.0585%-8.0999-1.4611%-1.4611%

Known prime factors (1 factor, 74.7 bits, 0.00008276% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90251617304785871496291423449032374.690168853413172803
3 × 19 × 67 × 44214038537
2018-11-25674421403853768.29511,77621,994

P-1 results:
Exponent "90251617" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-19T03:10:00Carsten Kossendeyleela264265--0.041--
2010-07-02T20:21:00Carsten Kossendeyleela265266--0.083--
2010-08-22T23:21:00Carsten Kossendeyleela266267--0.166--
2010-12-04T06:04:00Carsten KossendeyManual testing267268--0.331--
2011-05-25T14:36:00Carsten KossendeyManual testing268269--0.662--
2013-11-25T07:11:00Carsten KossendeyManual testing269270--1.325--
2014-02-03T21:10:00Ryan PropperManual testing270271--2.650--
2015-10-30T09:26:22Carsten KossendeyManual testing271272--5.299--
2016-10-12T09:44:21Carsten KossendeyManual testing272273--10.60--
2018-05-04T02:17:00Carsten KossendeyManual testing273274--21.20--
2018-11-25T15:48:03TheJudgerManual testing27427574.6902325.90619.852.76


ECM factoring results:
Exponent "90251617" not found


Lucas-Lehmer results:
Exponent "90251617" not found


PRP results:
Exponent "90251617" not found


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-11-25T15:48:03+00:00