is 2 13744741 - 1
has 4137580 decimal digits
takes 6.098 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.161864.1791 %3000002138020507.67648.9407 %9.838367.3817 %
Target2698.686065.2174 %90000110000000.44032.7899 %9.126366.1878 %
Difference-2-6.5242-1.0383 %+210000+202802050+7.2361+6.1508%+0.7119+1.1939 %

Known prime factors (1 factor, 51.4 bits, 0.00037380% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1374474129260240074194891651.378106441584
24 × 3 × 61 × 36353
-61363532.846e-50.00130.0024

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-08-09nordisweet16_30.8b14300000300000
skipped known factor: 2926024007419489
--0.2081.710%
2022-09-08nordisweet16_30.8b14300000213802050
skipped known factor: 2926024007419489
--9.857.475%


Trial Factoring results:
57585960616263646566676869
No TF results for M13744741


ECM factoring results:
No ECM results for M13744741


Lucas-Lehmer results:
No L-L results for M13744741


PRP results:
dateuseridcompidcofactorsres64
2022-09-29g0bg0b-Work
2926024007419489
840E0417C0F578CD


CERT results:
dateuseridcompid
2022-09-29Joe KHOME


P-1 factor-bounds graph:
B1 = 300000, B2 = 213802050 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00