is 2 1146797 - 1
has 345221 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-L257B334ADB5AB8CFdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26725.910468.6567 %50000002000000000.67159.1053 %26.581871.5106 %
Target2600.133965.0000 %50001300000.00050.7703 %0.134465.2696 %
Difference+7+25.7764+3.6567 %+4995000+199870000+0.6710+8.3350%+26.4474+6.2410 %

Known prime factors (1 factor, 73.6 bits, 0.00642019% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1146797145813250828661062130972373.6276357413335954884
22 × 3 × 7 × 251 × 7207 × 41838193
2015-04-057207418381933,214.80.09830.1830

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-05-05Jossv4_computers10001000--4.30000e-50.038%
2002-05-05Jossv4_computers20002000--8.60000e-50.102%
2002-05-05Jossv4_computers30003000--0.0000.166%
2002-05-11Jossv4_computers50005000--0.0000.281%
2002-05-11Jossv4_computers40004000--0.0000.225%
2002-06-02ANONYMOUSv4_computers500001000000--0.0044.175%
2012-02-01markrtiny5000001000000012--0.0478.603%
2015-04-05mikrMSI50000002000000001222373.6270.69515.045%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-11-14ANONYMOUSv4_computers212570.017
2003-04-27ANONYMOUSv4_computers212580.033
2022-03-07LordJuliusManual testing258260
2009-04-14Sturle Sundekraus.ifi2602610.134
2012-08-29AxelssonManual testing2612620.268
2012-12-01dbaughManual testing2622630.856
2014-12-28Matthias WurtingerManual testing2632641.712
2015-01-11lycornManual testing2642653.258


ECM factoring results:
Total ECM effort:19.342 GHz-days
Estimated T-Level:25.699
DigitsB1CompleteFacMiss
201100015.2080.000%
25500001.68818.498%
302500000.14086.948%
3510000000.00999.061%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002819.82
25000040000000449.52


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-07-06ANONYMOUSv4_computers257B334ADB5AB8CF0.034


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-2
14581325082866106213097
9F74B3C04322C2C0
2017-10-17Oliver KruseThreadripper-PC
14581325082866106213097
9F74B3C04322C2C0
2018-01-06ATHec2-1xh
14581325082866106213097
9F74B3C04322C2C0


CERT results:
No CERT results for M1146797


P-1 factor-bounds graph:
B1 = 5000000, B2 = 200000000 (P-1 stage 2)
B1 = 5000000 (P-1 stage 1)
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)
B1 = 5000 (P-1 stage 1)
B1 = 4000 (P-1 stage 1)
B1 = 3000 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
B1 = 1000 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
109
TF factor-bounds graph:
265
264
263
262
261
260
258
257
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00