is 2 85654649 - 1
has 25784619 decimal digits
takes 275.879 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276178.670964.4737%6750006750003.15241.4169%181.823364.9771%0.5034%
PrimeNet2715.581561.9718%360000170000005.91535.3861%11.496764.0201%2.0482%
GPU7227589.334464.0000%550000190000007.26313.9479%96.597665.4212%1.4212%
Difference+1+89.3365+0.4737%+125000-18325000-4.1107-2.5310%+85.2257-0.4442%-0.4442%

Known prime factors (1 factor, 78.4 bits, 0.00009155% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
856546494024429613530067140770712478.4132349218437361215
5 × 72 × 269 × 331 × 7229 × 14897
2018-01-257229148971,196.60.03570.0687

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-01-26T01:51:04Jwb52zClay6750006750002478.4133.152551.86.3051.417%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-27T20:20:00Architects Cubedm1_05264265--0.044--
2012-08-23T15:48:00america64Manual testing265266--0.087--
2013-06-17T12:48:00Lukin DmitryManual testing266267--0.174--
2013-08-19T03:19:00ITSCP_-_Server1267268--0.349--
2013-08-24T07:25:00ArtfulDodgerDodger-1268269--0.698--
2014-03-20T23:32:00SMoffatManual testing269270--1.396--
2014-08-17T17:38:00Ryan PropperManual testing270271--2.792--
2017-03-02T19:55:06Judge HaleManual testing271272--5.584--
2017-03-02T19:55:06Judge HaleManual testing272273--11.17--
2017-04-30T14:55:34ANONYMOUSManual testing273274--22.33--
2017-10-01T15:11:28TheJudgerManual testing274275--44.67--
2017-10-01T15:11:28TheJudgerManual testing275276--89.34--


ECM factoring results:
No ECM results for M85654649


Lucas-Lehmer results:
No L-L results for M85654649


PRP results:
No PRP results for M85654649


P-1 factor-bounds graph:
B1 = 675000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-01-26T01:51:04+00:00