is 2 13181359 - 1
has 3967985 decimal digits
takes 5.384 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-
PRP4592EDAC199201C5PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.254264.1791%3000002101291506.94878.8813%9.203067.3605%3.1813%
PrimeNet2640.270062.5000%6000017000000.08854.3459%0.358564.1297%1.6297%
GPU722684.521964.7059%9000024000000.12783.1753%4.649865.8266%1.1207%
Difference-1-2.2677-0.5268%+210000+207729150+6.8209+5.7060%+4.5532+1.5339%+2.0607%

Known prime factors (2 factors, 164.1 bits, 0.00124459% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1318135931656615401591341.526120081
3 × 13 × 3079
-1330794.426e-80.00010.0002
13181359766467200068507954382301807333699623337122.528290739065701991712076995174524
22 × 31 × 149 × 181 × 647 × 757 × 911 × 4157 × 187027 × 250619
2022-06-081870272506191.168e+100.11280.2254

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
131813592426375737050229281183020052895568830759356122104750164.053
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-08T04:30:12nordisweet16_30.8b1430000030000037122.5280.17810.770.3552.163%
2022-06-11T05:23:03nordisweet16_30.8b14300000210129150-
skipped known factor: 3165661540159
skipped known factor: 7664672000685079543823018073336996233
--6.949--8.881%


Trial Factoring results:
No TF results for M13181359


ECM factoring results:
No ECM results for M13181359


Lucas-Lehmer results:
No L-L results for M13181359


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-18T08:39:00xyuzyzvj22m
3165661540159
7664672000685079543823018073336996233
4592EDAC199201C5no


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-06-18T08:39:00+00:00