is 2 34019497 - 1
has 10240890 decimal digits
takes 40.256 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
Actual2693.509462.3188%285000288105303.15576.1848%6.665064.6494%2.3305%
PrimeNet2670.873461.1940%15000055000000.75755.1851%1.630963.2061%2.0121%
GPU7227114.053163.3803%24000070000001.04373.8406%15.096864.7867%1.4064%
Difference-2-10.5437-1.0614%+45000+21810530+2.1119+2.3443%-8.4318-0.1373%+0.9241%

Known prime factors (3 factors, 139.6 bits, 0.00041028% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3401949756472365031032.39583
83
-1831.712e-119.381e-61.425e-5
3401949744235254618696231651.97465014563
3 × 21671521
2008-09-093216715211.249e-52.02593.7839
34019497416015733429566811755.207611437220
22 × 5 × 30571861
2015-08-065305718610.00022.85805.3379

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
34019497249806944602200696324483692684.369
340194972349339235645767068909265432787.602
3401949718402561893640544843877695880126333107.182
34019497103923619274483688403154560241781953610328943139.577
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-01T06:21:42masserManual testing28500028810530-
skipped known factor: 5647236503
skipped known factor: 4423525461869623
--3.156--6.185%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:48:00Will EdgingtonManual testing??51.974163.67031e-682.907.55838e-6
2015-01-12T12:27:00TJAOIManual testing255256*55.207170.00082.900.000
2022-11-25T06:49:07LordJuliusManual testing2126632.395101.71210e-1182.903.52578e-11
2022-11-25T06:49:08LordJuliusManual testing2126655.207170.00082.900.000
2022-11-25T06:49:08LordJuliusManual testing2126651.974161.24882e-582.902.57174e-5
2022-11-25T06:49:08LordJuliusManual testing266267--0.439--
2022-11-24T16:00:00masserManual testing267269--2.636--


ECM factoring results:
No ECM results for M34019497


Lucas-Lehmer results:
No L-L results for M34019497


PRP results:
No PRP results for M34019497


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: 2022-11-25T06:49:08+00:00