is 2 12014633 - 1
has 3616765 decimal digits
takes 4.626 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L6716ACE882E524E9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.473164.1791 %40000042845985013.24279.9313 %15.715967.7366 %
Target2684.961064.7059 %80000100000000.34642.9416 %5.307465.7441 %
Difference-1-2.4879-0.5268 %+320000+418459850+12.8964+6.9897%+10.4085+1.9925 %

Known prime factors (1 factor, 67.6 bits, 0.00056228% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
120146332169329367391450669692167.5569027863636748
22 × 3 × 11 × 91423 × 748093
2013-06-12914237480933.11290.07100.1039

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-03-16ANONYMOUSv4_computers180000180000--0.1001.490%
2013-06-12Squeeky_SquirrelT7500_22002167.5560.2930.000%
2021-11-22nordisweet16400000400000--0.2232.141%
2021-12-06nordisweet16_30.8b3400000109909800
skipped known factor: 216932936739145066969
--4.4217.675%
2023-06-19nordisweet16_30.8b14400000428459850
skipped known factor: 216932936739145066969
--16.479.127%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-03-01ANONYMOUSv4_computers212640.163


ECM factoring results:
No ECM results for M12014633


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-05-11ANONYMOUSv4_computers6716ACE882E524E94.626


PRP results:
dateuseridcompidcofactorsres64
2021-12-27mrhlanai
216932936739145066969
1C91F4643A9A0C3E


CERT results:
dateuseridcompid
2021-12-27cswigeri99k9k


P-1 factor-bounds graph:
B1 = 400000, B2 = 428459850 (P-1 stage 2)
B1 = 400000, B2 = 109909800 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
B1 = 180000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
109
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