is 2 13425793 - 1
has 4041567 decimal digits
takes 5.957 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
Actual2672.213264.1791 %3000002101291507.54778.8989 %9.760967.3668 %
Target2698.892365.2174 %90000110000000.44032.7801 %9.332766.1844 %
Difference-2-6.6791-1.0383 %+210000+199129150+7.1074+6.1189%+0.4282+1.1824 %

Known prime factors (2 factors, 137.2 bits, 0.00102209% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
134257931670043051369137826792167.1786219532251723
3 × 72 × 131 × 2383 × 135533
2002-01-0223831355332.44600.00620.0089
1342579312181126354611373305132270.04545364643841192
23 × 3 × 13 × 8969 × 16211339
2022-07-1189691621133928.7160.57371.0613

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-01-02ANONYMOUSv4_computers2167.178-0.000%
2022-07-02nordisweet16_30.8b14300000300000
skipped known factor: 167004305136913782679
--0.2081.703%
2022-07-11nordisweet16_30.8b1430000021012915022270.0458.5327.439%


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-05-24lalerav4_computers212580.003
2000-09-15ANONYMOUSv4_computers212640.146
2000-10-07Dave Zookv4_computers212650.278


ECM factoring results:
No ECM results for M13425793


Lucas-Lehmer results:
No L-L results for M13425793


PRP results:
dateuseridcompidcofactorsres64
2022-09-29Funky Waddlemain
167004305136913782679
1218112635461137330513
953B6F2991B1B552


CERT results:
dateuseridcompid
2022-09-29curtiscwcm202--52l


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
TF factor-bounds graph:
265
264
258
this exponent TF target: 69
TF double-checked to: 67
250
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280
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Last modified: 2024-03-13T02:15:48+00:00