is 2 1193483 - 1
has 359275 decimal digits
takes 0.037 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L4807F5760ABE2B70double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26724.896868.6567 %7200009885057002.42519.2956 %27.321971.5703 %
Target2600.128765.0000 %50001400000.00050.8019 %0.129265.2807 %
Difference+7+24.7681+3.6567 %+715000+988365700+2.4245+8.4938%+27.1927+6.2896 %

Known prime factors (1 factor, 61.9 bits, 0.00518392% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
119348342118431596641134711961.8691764517450045
5 × 72 × 2141 × 3363901
2008-08-28214133639010.25740.00820.0152

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-05-11Jossv4_computers10001000--4.45000e-50.039%
2002-09-22Jossv4_computers40004000--0.0000.228%
2002-09-22Jossv4_computers50005000--0.0000.284%
2002-09-29Jossv4_computers80008000--0.0000.435%
2002-10-07Jossv4_computers1000010000--0.0000.523%
2003-09-21Team Prime Ribv4_computers1000010000006--0.0032.882%
2003-09-21Xyzzyv4_computers1000010000006--0.0032.882%
2024-02-25USAFSS6917th_Scty_Sq720000988505700
skipped known factor: 4211843159664113471
--2.42515.920%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-11-04ANONYMOUSv4_computers212570.016
2003-05-19ANONYMOUSv4_computers212580.032
2022-04-12LordJuliusManual testing21261
2022-04-12LordJuliusManual testing262263
2022-04-12LordJuliusManual testing263264


ECM factoring results:
Total ECM effort:19.046 GHz-days
Estimated T-Level:25.654
DigitsB1CompleteFacMiss
201100014.6920.000%
25500001.60920.008%
302500000.13187.737%
3510000000.00999.133%


ECM Summary

B1B2factorcurvesGHz-days
10.090
50000500000027810.58
25000025000000448.377


Lucas-Lehmer results:
No L-L results for M1193483


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-3
4211843159664113471
986E7F3EBD910E43
2017-10-17Oliver KruseThreadripper-PC
4211843159664113471
986E7F3EBD910E43
2018-01-03ATHec2-8x
4211843159664113471
986E7F3EBD910E43


CERT results:
No CERT results for M1193483


P-1 factor-bounds graph:
B1 = 720000, B2 = 988505700 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
B1 = 10000, B2 = 1000000 (P-1 stage 2)
B1 = 10000 (P-1 stage 1)
B1 = 8000 (P-1 stage 1)
B1 = 5000 (P-1 stage 1)
B1 = 4000 (P-1 stage 1)
B1 = 1000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
TF factor-bounds graph:
264
263
261
258
257
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.65 ~= 69-bit
250
260
270
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Last modified: 2024-02-25T08:23:52+00:00