is 2 85739737 - 1
has 25810233 decimal digits
takes 276.153 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
Actual276178.493664.4737%6750006750003.15241.4171%181.646064.9771%0.5034%
PrimeNet2715.575961.9718%360000170000005.91535.3868%11.491264.0203%2.0485%
GPU7227589.245864.0000%550000190000007.26313.9483%96.508965.4214%1.4214%
Difference+1+89.2478+0.4737%+125000-18325000-4.1107-2.5312%+85.1371-0.4443%-0.4443%

Known prime factors (1 factor, 79.2 bits, 0.00009234% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
857397376793619958078266104001112479.1693961768600992015
32 × 5 × 11 × 29 × 151 × 33851 × 53993
2018-04-0633851539931,988.90.16320.3217

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-04-06T22:45:34Jwb52zClay6750006750002479.1693.152552.36.3051.417%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-28T17:20:00Architects Cubedm1_52264265--0.044--
2013-03-04T02:17:00wangyun183Manual testing265266--0.087--
2013-03-08T10:29:00ssss266267--0.174--
2013-06-17T07:24:00g0bManual testing267268--0.349--
2013-08-20T23:14:00processinfoManual testing268269--0.697--
2013-10-21T04:19:00albin_pouillesprod-2269270--1.394--
2014-08-18T08:44:00Ryan PropperManual testing270271--2.789--
2017-03-07T23:55:15Judge HaleManual testing271272--5.578--
2017-03-07T23:55:15Judge HaleManual testing272273--11.16--
2017-05-05T22:48:31ANONYMOUSManual testing273274--22.31--
2017-10-08T15:59:05TheJudgerManual testing274275--44.62--
2017-10-08T15:59:05TheJudgerManual testing275276--89.25--


ECM factoring results:
No ECM results for M85739737


Lucas-Lehmer results:
No L-L results for M85739737


PRP results:
No PRP results for M85739737


P-1 factor-bounds graph:
B1 = 675000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
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270
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2100
Last modified: 2018-04-06T22:45:34+00:00