is 2 34004231 - 1
has 10236294 decimal digits
takes 40.238 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L205133ECF4E2F049double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27356.253164.3836%35500042600000.97422.9549%57.227365.4360%
Target27114.059463.3803%24000070000001.04373.8403%15.103164.7866%
Difference+2+42.1938+1.0033%+115000-2740000-0.0696-0.8855%+42.1242+0.6494%

Known prime factors:
No known factors for M34004231

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-12-13ComputerraRUv4_computers3550004260000---0.974--2.955%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2004-12-13ComputerraRUv4_computers21268--1.753--
2013-01-27marssystemsManual testing268269--1.758--
2013-01-27marssystemsManual testing269270--3.516--
2013-01-27marssystemsManual testing270271--7.032--
2018-11-20mikrManual testing271272--14.06--
2019-11-09-Anonymous-Manual testing272273--28.13--


ECM factoring results:
No ECM results for M34004231


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-01-20ComputerraRUv4_computers205133ECF4E2F04940.24
2014-11-30Klaus Nordmannno1205133ECF4E2F04940.24


PRP results:
No PRP results for M34004231


P-1 factor-bounds graph:
B1 = 355000, B2 = 4260000 (P-1 stage 2)
B1 = 355000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
273
272
271
270
269
268
250
260
270
280
290
2100
Last modified: 2019-11-09T22:53:19+00:00