is 2 102773777 - 1
has 30937990 decimal digits
takes 409.204 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276148.909564.4737%8160003703200016.10264.3665%165.012268.8402%6.3402%
PrimeNet2729.305262.5000%450000220000009.37655.3822%18.681767.8822%5.3822%
GPU72276148.909564.4737%6500002200000010.46823.8533%159.377768.3270%3.8533%
Difference---+166000+15032000+5.6344+0.5132%+5.6344+0.5132%+0.5132%

Known prime factors (1 factor, 131.5 bits, 0.00012794% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
102773777382248449326070377613895996747600424003140131.49018596594407835686413174052985695
5 × 31 × 181 × 239 × 277 × 2971 × 3343 × 15199 × 78241 × 847729
782418477292021-02-241.508e+90.69370.9193

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-24T03:52:06DRobinsonPEH-82508160003703200040131.49016.10818.432.214.367%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-30T10:16:001997rj7compw263264--0.019--
2010-08-19T18:30:00ChristophBbpcDachboden264265--0.036--
2012-04-25T01:21:00Mr-PlonkLinux-i7265266--0.073--
2013-08-28T13:00:00Gnorfe_k_kontor266267--0.145--
2013-12-23T18:14:00ANONYMOUSManual testing267268--0.291--
2014-05-06T07:24:00g0bManual testing268269--0.582--
2014-05-19T07:27:00g0bManual testing269270--1.163--
2014-10-20T23:44:00PascalBieriManual testing270271--2.327--
2014-12-16T09:58:00Tommaso271272--4.653--
2020-02-20T11:24:11el groccoManual testing272273--9.307--
2020-03-30T20:34:11SRBaseManual testing273274--18.61--
2020-11-18T15:20:02Architects CubedGPU72_TF274275--37.23--
2020-11-21T18:20:051997rj7Manual testing275276--74.46--


ECM factoring results:
Exponent "102773777" not found


Lucas-Lehmer results:
Exponent "102773777" not found


PRP results:
Exponent "102773777" not found


P-1 factor-bounds graph:
B1 = 816000, B2 = 37032000 (stage 2)
B1 = 816000 (stage 1)
103
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105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
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2100
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Last modified: 2021-02-24T03:52:06+00:00