is 2 34008547 - 1
has 10237593 decimal digits
takes 40.243 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2693.510562.3188%285000288105303.15576.1846%6.666264.6493%2.3304%
PrimeNet2670.873761.1940%15000055000000.75755.1849%1.631263.2061%2.0120%
GPU7227114.057663.3803%24000070000001.04373.8404%15.101364.7866%1.4063%
Difference-2-10.5471-1.0614%+45000+21810530+2.1119+2.3442%-8.4352-0.1374%+0.9241%

Known prime factors (3 factors, 154.0 bits, 0.00045285% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
34008547612153847929.1899
32
-992.107e-121.544e-53.143e-5
3400854720276380365640391031960.81529810712533
7 × 4258673219
2008-03-11742586732190.0053398.11743.57
34008547184831919608405583772064.003271743335004
22 × 3 × 39671 × 570827
2017-06-22396715708270.17940.11770.1385

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3400854712412264244062031987598792412890.004
34008547113145570636680211641086263192993.192
340085473747722305691498171085294724498221583138124.817
340085472294182626916760600623327330730391486753095185747154.007
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-04-30T14:53:33masserManual testing28500028810530-
skipped known factor: 612153847
skipped known factor: 18483191960840558377
--3.156--6.185%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-06-22T15:26:18TJAOIManual testing264265*64.003200.07582.660.154
2022-11-25T04:44:47LordJuliusManual testing2126664.003200.17982.660.369
2022-11-25T04:44:47LordJuliusManual testing2126660.815190.00582.870.011
2022-11-25T04:44:47LordJuliusManual testing2126629.18992.10713e-1282.884.33933e-12
2022-11-25T04:44:47LordJuliusManual testing266267--0.439--
2022-11-24T01:07:31masserManual testing267269--2.637--


ECM factoring results:
No ECM results for M34008547


Lucas-Lehmer results:
No L-L results for M34008547


PRP results:
No PRP results for M34008547


P-1 factor-bounds graph:
B1 = 285000, B2 = 28810530 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-25T04:44:47+00:00