is 2 4293668347 - 1
has 1292522964 decimal digits
takes 1,162,123.082 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2730.445556.1644%----0.445556.1644%
Target292233,593.765065.2174%2200000010400000000230,537.66634.3566%464,131.431366.7327%
Difference-19-233,593.3195-9.0530%-22000000-10400000000-230,537.6663-4.3566%-464,130.9858-10.5684%

Known prime factors (6 factors, 334.2 bits, 0.00000778% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
429366834781150331758311342.884945
33 × 5 × 7
2012-08-2027271.706e-100.01060.0216
42936683471656411374905671547.23519289
19289
2012-08-261192898.411e-90.41280.7702
42936683474317455269642391548.61750277
3 × 16759
2019-07-143167591.491e-80.35950.6693
42936683472789422259731112631857.95332482973
32482973
2020-01-151324829736.313e-6694.561,297.2
4293668347372790742496117615132065.0154341168348
22 × 3 × 11 × 17 × 47 × 41161
2020-04-2447411610.00190.89751.6438
429366834767556419724943461506792272.517786698159537
3823 × 205780319
2020-04-2438232057803190.23174,401.48,218.0

57 Composite Factors:
P-1 results:
No P-1 results for M4293668347


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-1424824948.617156.17564e-9251,4671.31126e-8
2020-01-15slaurpalvi2-rtx2126457.953180.001236,8670.002
2021-02-02slaurnocebo-165026426865.015200.0132,363,0900.027
2020-04-24ramgeisr4mg31s2126947.235150.028236,8670.059
2020-04-24ramgeisr4mg31s2126957.953180.028236,8670.059
2020-04-24ramgeisr4mg31s2126965.015200.0282,363,0900.027
2020-04-24ramgeisr4mg31s2126948.617150.028236,8670.059
2020-04-24ramgeisr4mg31s2126942.884130.028236,8670.059
2023-08-11slaurpalvi2-rtx269271--0.084--
Missing TF 71 - 72
2020-04-24ramgeisr4mg31s27227372.517220.223236,8670.473
Missing TF 73 - 74
Missing TF 74 - 75
2022-02-03ramgeisr4mg31s275276--1.782--
2022-02-06ramgeisr4mg31s276277--3.564--
2022-04-07ramgeisr4mg31s277278--7.129--
2022-04-27ramgeisr4mg31s278279--14.26--


ECM factoring results:
No ECM results for M4293668347


Lucas-Lehmer results:
No L-L results for M4293668347


PRP results:
No PRP results for M4293668347


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
279
278
277
276
273
271
269
268
264
249
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-08-11T14:41:18+00:00