is 2 90692821 - 1
has 27301260 decimal digits
takes 305.752 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
Actual27584.371764.0000%10000100000.04890.0912%84.420664.0328%2.0610%
PrimeNet2715.271461.9718%400000180000006.64285.5493%11.914264.0821%2.1103%
GPU7227584.371764.0000%600000200000008.09994.0609%92.471665.4619%1.4619%
Difference----590000-19990000-8.0510-3.9697%-8.0510-1.4291%-1.4291%

Known prime factors (1 factor, 74.9 bits, 0.00008261% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90692821357428618976085703585692374.920197054527048004
22 × 173 × 251 × 8377 × 135431
2018-11-26837713543143.6820.07480.0833

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-03-19T04:15:37c10ck3rManual testing1000010000---0.049--0.091%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-09-20T13:46:00Carsten Kossendeydurandal264265--0.041--
2010-11-07T06:26:00Carsten KossendeyManual testing265266--0.082--
2010-11-27T20:40:00Carsten KossendeyManual testing266267--0.165--
2011-01-01T03:31:00Carsten KossendeyManual testing267268--0.330--
2011-03-24T19:57:00Carsten KossendeyManual testing268269--0.659--
2014-04-01T05:09:00arnaudSRV-210269270--1.318--
2014-09-20T00:54:00webbertManual testing270271--2.637--
2016-04-01T20:27:25Carsten KossendeyManual testing271272--5.273--
2017-05-25T22:41:50Carsten KossendeyManual testing272273--10.55--
2018-11-23T14:53:01gcardonaManual testing273274--21.09--
2018-11-26T16:00:10Strolling JellyfishManual testing27427574.920231.498622.73.050


ECM factoring results:
Exponent "90692821" not found


Lucas-Lehmer results:
Exponent "90692821" not found


PRP results:
Exponent "90692821" not found


P-1 factor-bounds graph:
B1 = 10000 (stage 1)
102
103
104
102
103
104
105
106
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-11-26T16:00:10+00:00