is 2 34007353 - 1
has 10237234 decimal digits
takes 40.242 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L6B4D49D7B2172036double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27356.248064.3836%46000090850001.59563.6144%57.843565.6709%
Target27114.058163.3803%24000070000001.04373.8404%15.101864.7866%
Difference+2+42.1899+1.0033%+220000+2085000+0.5518-0.2260%+42.7417+0.8843%

Known prime factors:
No known factors for M34007353

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-12-23ANONYMOUSv4_computers3500003937500---0.936--2.895%
2004-12-23ANONYMOUSv4_computers505000505000---0.866--1.538%
2019-04-08Architects Cubeda3_bu2460000908500012---1.596--3.614%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2004-12-23ANONYMOUSv4_computers21268--1.753--
2013-10-17VictordeHollanderManual testing268269--1.758--
2014-09-07VictordeHollanderManual testing269270--3.516--
2015-01-29NesowaManual testing270271--7.032--
2019-04-07Architects CubedManual testing271272--14.06--
2019-11-08-Anonymous-Manual testing272273--28.13--


ECM factoring results:
No ECM results for M34007353


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-12-23ANONYMOUSv4_computers6B4D49D7B217203640.24
2005-02-02ANONYMOUSv4_computers6B4D49D7B217203640.24


PRP results:
No PRP results for M34007353


P-1 factor-bounds graph:
B1 = 460000, B2 = 9085000 (P-1 stage 2)
B1 = 350000, B2 = 3937500 (P-1 stage 2)
B1 = 505000 (P-1 stage 1)
B1 = 460000 (P-1 stage 1)
B1 = 350000 (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: 2019-11-08T19:47:15+00:00