is 2 11493211 - 1
has 3459802 decimal digits
takes 4.425 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L82DD6545ED825A69double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.585364.1791 %1700001700000.09491.6360 %2.680264.7651 %
Target2685.186164.7059 %8000095000000.33122.8882 %5.517365.7252 %
Difference-1-2.6007-0.5268 %+90000-9330000-0.2363-1.2522 %-2.8370-0.9601 %

Known prime factors (1 factor, 65.9 bits, 0.00057320% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11493211678795717574360469212065.8802953029042860
22 × 5 × 13 × 43 × 97 × 2723041
2012-03-169727230410.96690.08290.1547

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-11-05Stephen Woodv4_computers170000170000--0.0951.438%
2012-03-16James Heinrichi7-9202065.8800.2810.000%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-01-12ANONYMOUSv4_computers212640.171


ECM factoring results:
No ECM results for M11493211


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-03-11Stephen Woodv4_computers82DD6545ED825A694.425
2004-06-04Greg Hoganv4_computers82DD6545ED825A694.425


PRP results:
dateuseridcompidcofactorsres64
2021-08-12ATHec2-PRPCFDC
67879571757436046921
3E542A5AFD089CAF


CERT results:
dateuseridcompid
2021-08-12curtiscwcm128--40l


P-1 factor-bounds graph:
B1 = 170000 (P-1 stage 1)
100
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105
106
100
101
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107
TF factor-bounds graph:
264
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00