is 2 90158807 - 1
has 27140506 decimal digits
takes 303.952 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
Actual27584.871464.0000%10000100000.04890.0911%84.920364.0328%2.0610%
PrimeNet2715.302661.9718%360000180000006.45795.4738%11.760564.0534%2.0816%
GPU7227584.871464.0000%600000200000008.09994.0580%92.971365.4609%1.4609%
Difference----590000-19990000-8.0510-3.9669%-8.0510-1.4281%-1.4281%

Known prime factors (1 factor, 74.8 bits, 0.00008299% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90158807333430861348506560389612374.820184913084169640
23 × 5 × 236729 × 19527929
2018-11-062367291952792984.6886.29519.714

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-03-29T23:29:24c10ck3rManual testing1000010000---0.049--0.091%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-09-10T08:14:00Carsten Kossendeymother265266--0.083--
2010-12-23T23:55:00Carsten KossendeyManual testing266267--0.166--
2011-09-07T19:09:00Carsten KossendeyManual testing267268--0.332--
2012-07-18T11:02:00Carsten KossendeyManual testing268269--0.663--
2013-11-17T07:13:00Carsten KossendeyManual testing269270--1.326--
2014-03-15T22:40:00SMoffatManual testing270271--2.652--
2015-02-09T07:02:00Carsten KossendeyManual testing271272--5.305--
2016-08-24T20:35:08Carsten KossendeyManual testing272273--10.61--
2018-01-15T14:06:33Carsten KossendeyManual testing273274--21.22--
2018-11-06T16:00:12Strolling JellyfishManual testing27427574.8202342.25619.186.07


ECM factoring results:
Exponent "90158807" not found


Lucas-Lehmer results:
Exponent "90158807" not found


PRP results:
Exponent "90158807" not found


P-1 factor-bounds graph:
B1 = 10000 (stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
250
260
270
280
290
2100
Last modified: 2018-11-06T16:00:12+00:00