is 2 34017121 - 1
has 10240174 decimal digits
takes 40.254 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
Actual2693.509662.3188%285000288105303.15576.1848%6.665364.6493%2.3305%
PrimeNet2670.873561.1940%15000055000000.75755.1850%1.631063.2061%2.0121%
GPU7227114.054063.3803%24000070000001.04373.8405%15.097864.7867%1.4064%
Difference-2-10.5444-1.0614%+45000+21810530+2.1119+2.3442%-8.4325-0.1373%+0.9241%

Known prime factors (3 factors, 156.6 bits, 0.00046038% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
340171213812287864991291548.4385603484
22 × 3 × 466957
-44669572.067e-60.04370.0815
3401712152851764097194891652.23177684064
25 × 3 × 23 × 151 × 233
2008-09-091512333.056e-50.00030.0005
34017121690616000788479271755.9391015100603
11 × 92281873
2015-08-0611922818730.00028.626816.112

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
34017121201486138911118420821723282508131100.669
340171212632826999174734687458190895558332104.376
3401712136500273955420866525808435914930333108.170
3401712113914955146910860303797249380567916353399045708748156.607
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-01T03:35:37masserManual testing28500028810530-
skipped known factor: 381228786499129
skipped known factor: 5285176409719489
--3.156--6.185%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:48:00Will EdgingtonManual testing??52.231161.29186e-582.902.66037e-5
2015-02-24T12:18:00TJAOIManual testing255256*55.939170.00082.900.000
2022-11-25T06:49:07LordJuliusManual testing2126648.438152.06720e-682.904.25706e-6
2022-11-25T06:49:07LordJuliusManual testing2126652.231163.05556e-582.906.29243e-5
2022-11-25T06:49:07LordJuliusManual testing2126655.939170.00082.900.001
2022-11-25T06:49:07LordJuliusManual testing266267--0.439--
2022-11-24T01:07:32masserManual testing267269--2.636--


ECM factoring results:
No ECM results for M34017121


Lucas-Lehmer results:
No L-L results for M34017121


PRP results:
No PRP results for M34017121


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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2100
Last modified: 2022-11-25T06:49:07+00:00