is 2 1150939 - 1
has 346468 decimal digits
takes 0.034 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LA1340F0D9EDF171Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26725.817168.6567 %500000100000000.04374.4273 %25.860870.0444 %
Target2600.133465.0000 %50001300000.00050.7710 %0.134065.2698 %
Difference+7+25.6837+3.6567 %+495000+9870000+0.0432+3.6563%+25.7269+4.7745 %

Known prime factors (1 factor, 85.7 bits, 0.00744907% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1150939643560903085842295801000972685.73427958080449347980032
28 × 1051 × 6661 × 15600022877
2015-08-316661156000228776,808,12436.52768.222

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-11-15ANONYMOUSv4_computers500001000000--0.0044.178%
2012-02-02markrtiny5000001000000012--0.0478.607%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-07-12ANONYMOUSv4_computers212560.008
2001-09-30Jossv4_computers212570.017
2001-11-14ANONYMOUSv4_computers212570.017
2003-05-04ANONYMOUSv4_computers212580.033
2022-03-07LordJuliusManual testing258260
2009-04-15Sturle Sundegraun.ifi2602610.133
2011-05-09XyzzyManual testing2612620.267
2012-10-07dbaughManual testing2622630.853
2014-12-28Matthias WurtingerManual testing2632641.706
2015-01-10lycornManual testing2642653.246
2015-08-04omylistManual testing2652666.493


ECM factoring results:
Total ECM effort:17.628 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002799.76
50000500000020.076
25000025000000447.793


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-06-23ANONYMOUSv4_computersA1340F0D9EDF171E0.034


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-2
64356090308584229580100097
C7F6709D77A7350E
2017-10-17Oliver KruseThreadripper-PC
64356090308584229580100097
C7F6709D77A7350E
2018-01-02ATHec2-1xh
64356090308584229580100097
C7F6709D77A7350E


CERT results:
No CERT results for M1150939


P-1 factor-bounds graph:
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 50000, B2 = 1000000 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
266
265
264
263
262
261
260
258
257
256
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
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Last modified: 2024-02-09T03:30:02+00:00