is 2 11690513 - 1
has 3519196 decimal digits
takes 4.501 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LD5D7FEE1637007F4double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27140.894666.1972 %618910761891073.45514.0769 %44.349667.5753 %
Target2685.098664.7059 %80000100000000.34642.9295 %5.444965.7398 %
Difference+3+35.7960+1.4913 %+6109107-3810893+3.1087+1.1473%+38.9047+1.8354 %

Known prime factors (1 factor, 111.8 bits, 0.00095669% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11690513465369556195535785343941806645040934111.842199037269021272114125334708
22 × 36 × 11 × 52697 × 150223 × 840239 × 932887
2021-08-178402399328871.161e+100.47190.9546

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2004-04-20ANONYMOUSv4_computers65000975000--0.0642.368%
2015-05-22Sid & AndyHamm12500021875006--0.1333.233%
2021-08-17LaurVManual testing61891076189107134111.8423.4555.350%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-01-25ANONYMOUSv4_computers212640.168
2013-10-29lycornManual testing2642650.320
2014-08-24lycornManual testing2652660.639
2016-02-08VictordeHollanderManual testing2662671.278
2018-01-07ramgeisManual testing2672697.671
2021-08-06SRBaseManual testing26927010.23
2021-08-15SRBaseManual testing27027120.45


ECM factoring results:
Total ECM effort:1.171 GHz-days
Estimated T-Level:0.385
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000021.171


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-01-28ANONYMOUSv4_computersD5D7FEE1637007F44.501
2004-05-11ANONYMOUSv4_computersD5D7FEE1637007F44.501


PRP results:
dateuseridcompidcofactorsres64
2021-10-10ATHec2-PRPCF
4653695561955357853439418066450409
4D13320C528C0156


CERT results:
dateuseridcompid
2021-10-10benbradleyWin10i5


P-1 factor-bounds graph:
B1 = 6189107 (P-1 stage 1)
B1 = 125000, B2 = 2187500 (P-1 stage 2)
B1 = 125000 (P-1 stage 1)
B1 = 65000, B2 = 975000 (P-1 stage 2)
B1 = 65000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
TF factor-bounds graph:
271
270
269
267
266
265
264
this exponent TF target: 68
TF double-checked to: 67
ECM T-Level=0.38 ~= -15-bit
250
260
270
280
290
2100
2110
2120
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Last modified: 2024-03-13T02:15:48+00:00