is 2 5926049 - 1
has 1783919 decimal digits
takes 1.050 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LB9B17E2AEDA585D9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.014165.6716%7000011200000.03272.5270%5.046866.5391%0.8675%
PrimeNet2620.103762.9032%260006000000.01473.3230%0.118464.1359%1.2327%
GPU722662.492165.1515%400008000000.02092.3429%2.513065.9680%0.8165%
Difference+1+2.5220+0.5201%+30000+320000+0.0118+0.1841%+2.5338+0.5711%+0.5711%

Known prime factors (1 factor, 82.0 bits, 0.00138391% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
592604948732957451853747601458472582.011411175788892850427
3 × 137058596297616809
2011-06-123137058596297616809327,2361.919e+93.584e+9

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-10-15T00:00:00ANONYMOUSv4_computers2000065000---0.006--0.757%
2001-01-21T00:00:00ANONYMOUSv4_computers25000200000---0.009--1.225%
2001-06-03T00:00:00ANONYMOUSv4_computers25000243750---0.009--1.305%
2011-05-04T12:31:00harleeP4_2600700001120000---0.033--2.527%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-05-08T00:00:00ANONYMOUSv4_computers21262--0.104--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-01-17T00:00:00ANONYMOUSv4_computers9E264690EF8267__1.050
2001-02-25T00:00:00ANONYMOUSv4_computersB9B17E2AEDA585D91.050
2001-06-23T00:00:00ANONYMOUSv4_computersB9B17E2AEDA585D91.050


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:31:03kkmrkkblmbrbkManual testing
4873295745185374760145847
77B74B09C9AA6F__no
2018-09-12T10:34:23ANONYMOUS
4873295745185374760145847
77B74B09C9AA6F__no


P-1 factor-bounds graph:
B1 = 70000, B2 = 1120000 (P-1 stage 2)
B1 = 70000 (P-1 stage 1)
B1 = 25000, B2 = 243750 (P-1 stage 2)
B1 = 25000, B2 = 200000 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
B1 = 20000, B2 = 65000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2018-09-12T10:34:23+00:00