is 2 34008791 - 1
has 10237667 decimal digits
takes 40.244 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%6.666164.6493%2.3304%
PrimeNet2670.873761.1940%15000055000000.75755.1849%1.631263.2061%2.0120%
GPU7227114.057563.3803%24000070000001.04373.8404%15.101264.7866%1.4063%
Difference-2-10.5470-1.0614%+45000+21810530+2.1119+2.3442%-8.4351-0.1374%+0.9241%

Known prime factors (3 factors, 147.0 bits, 0.00043229% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
34008791267309097271134.638393
3 × 131
-31317.302e-111.711e-52.360e-5
340087912052866529550631547.5453018141
34 × 7 × 5323
2008-09-098153237.042e-70.00060.0009
34008791329099406078814672972064.835483844612528
24 × 47 × 163 × 227 × 17389
2018-01-31227173890.11670.00200.0030

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3400879154874989882997668405978012582.182
340087918797126515102110070324096979193099.473
34008791675597155634189784103371744507471134112.380
3400879118059326579075496553652849738751718051161389745147.018
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-04-30T15:26:27masserManual testing28500028810530-
skipped known factor: 26730909727
skipped known factor: 205286652955063
skipped known factor: 32909940607881467297
--3.156--6.185%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:48:00Will EdgingtonManual testing??47.545151.52858e-782.883.14790e-7
2018-01-31T15:14:45TJAOIManual testing264265*64.835200.01282.660.025
2022-11-25T04:44:47LordJuliusManual testing2126647.545157.04151e-782.881.45010e-6
2022-11-25T04:44:47LordJuliusManual testing2126634.638117.30210e-1182.881.50376e-10
2022-11-25T04:44:47LordJuliusManual testing2126664.835200.11782.660.240
2022-11-25T04:44:47LordJuliusManual testing266267--0.439--
2022-11-24T01:07:31masserManual testing267269--2.637--


ECM factoring results:
No ECM results for M34008791


Lucas-Lehmer results:
No L-L results for M34008791


PRP results:
No PRP results for M34008791


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