is 2 11109727 - 1
has 3344362 decimal digits
takes 3.759 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LA3033765916469D0double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.674664.1791 %650000130000000.64906.2713 %3.323666.4255 %
Target2685.365164.7059 %8000095000000.29102.8734 %5.656165.7200 %
Difference-1-2.6905-0.5268 %+570000+3500000+0.3579+3.3979%-2.3326+0.7055 %

Known prime factors (1 factor, 68.1 bits, 0.00061305% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
111097273181645443909796353432168.10814319188238873
3 × 7 × 113063 × 6030851
2014-05-1511306360308519.10740.21360.3011

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-09-15Amperiov4_computers160000160000--0.0781.387%
2001-03-17ANONYMOUSv4_computers160000160000--0.0781.387%
2014-05-15HBendtzHAL9006650000130000001222168.1080.6495.714%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-05-24ANONYMOUSv4_computers212640.177
2013-11-27lycornManual testing2642650.336


ECM factoring results:
No ECM results for M11109727


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-07-07ANONYMOUSv4_computersA3033765916469D03.759
2004-02-14Richard_Otterv4_computersA3033765916469D03.759


PRP results:
dateuseridcompidcofactorsres64
2021-06-14ThomRuleyMainLaptop
318164544390979635343
08C1E4F991A84557
2021-06-14ATHec2-PRPCF
318164544390979635343
08C1E4F991A84557


CERT results:
No CERT results for M11109727


P-1 factor-bounds graph:
B1 = 650000, B2 = 13000000 (P-1 stage 2)
B1 = 650000 (P-1 stage 1)
B1 = 160000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
265
264
this exponent TF target: 68
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00