is 2 90684271 - 1
has 27298686 decimal digits
takes 305.724 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
Actual27584.379764.0000%10000100000.04890.0912%84.428564.0328%2.0610%
PrimeNet2715.271961.9718%400000180000006.64285.5492%11.914764.0821%2.1103%
GPU7227584.379764.0000%600000200000008.09994.0609%92.479565.4619%1.4619%
Difference----590000-19990000-8.0510-3.9696%-8.0510-1.4291%-1.4291%

Known prime factors (1 factor, 74.6 bits, 0.00008225% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90684271283856323877459546029432374.588156508025453201
154753 × 1011340817
2018-11-30154753101134081765.029270.07503.08

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-03-19T04:15:27c10ck3rManual testing1000010000---0.049--0.091%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-20T04:00:00Carsten Kossendeyleela264265--0.041--
2010-08-14T11:27:00Carsten Kossendeyleela265266--0.082--
2010-11-27T07:55:00Carsten KossendeyManual testing266267--0.165--
2011-01-22T04:59:00Carsten KossendeyManual testing267268--0.330--
2011-07-08T10:07:00Carsten KossendeyManual testing268269--0.659--
2014-04-01T14:38:00timc995dl580_g5b269270--1.318--
2014-09-16T04:21:00webbertManual testing270271--2.637--
2016-04-01T20:27:22Carsten KossendeyManual testing271272--5.274--
2017-05-25T22:41:47Carsten KossendeyManual testing272273--10.55--
2018-11-20T10:00:07Tim SorberaManual testing273274--21.10--
2018-11-30T16:10:02Strolling JellyfishManual testing27427574.5882322.84622.746.52


ECM factoring results:
Exponent "90684271" not found


Lucas-Lehmer results:
Exponent "90684271" not found


PRP results:
Exponent "90684271" not found


P-1 factor-bounds graph:
B1 = 10000 (stage 1)
103
104
105
106
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: 2018-11-30T16:10:02+00:00