is 2 2073975679 - 1
has 624328890 decimal digits
takes 242,731.968 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
Actual2680.028754.4118%----0.028754.4118%
Target28960,449.970865.1685%11000000480000000046,145.48004.2438%106,595.450866.6467%
Difference-21-60,449.9420-10.7568%-11000000-4800000000-46,145.4800-4.2438%-106,595.4220-12.2349%

Known prime factors (6 factors, 346.2 bits, 0.00001669% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
207397567919570532261206971650.798471812
22 × 11 × 10723
2013-08-1211107239.849e-80.10090.1851
2073975679251349136050827271754.4816059597
337 × 17981
2019-06-29337179811.865e-60.22030.3105
2073975679912765489984778971756.34122005212
22 × 47 × 67 × 1747
2020-03-116717476.304e-60.02690.0301
20739756791942914560601330791857.43146840341
3 × 47 × 332201
2020-03-11473322011.501e-53.07905.7367
20739756798762561180891562891859.604211250336
25 × 11 × 47 × 1132
2020-03-1112769127697.370e-52.16694.4101
20739756792156415356600843871772167.54751987479372
22 × 7057 × 1841699
2021-08-29705718416990.025718.16131.804

57 Composite Factors:
P-1 results:
No P-1 results for M2073975679


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-3025025150.798162.61730e-8119,0355.44599e-8
2019-06-3025425554.481177.08050e-7119,0351.47328e-6
2020-03-11slaurpalvi2-rtx2126457.431180.002115,2570.004
2020-03-11slaurpalvi2-rtx2126459.604180.002115,2570.004
2020-03-11slaurpalvi2-rtx2126456.341170.002115,2570.004
2021-08-29slaursekunda-rtx206026426867.547210.027493,3990.055
Missing TF 68 - 69
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2022-02-02ramgeisr4mg31s274275--1.845--
2022-02-08ramgeisr4mg31s275276--3.690--
2022-04-07ramgeisr4mg31s276277--7.379--
2022-04-20ramgeisr4mg31s277278--14.76--


ECM factoring results:
No ECM results for M2073975679


Lucas-Lehmer results:
No L-L results for M2073975679


PRP results:
No PRP results for M2073975679


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
TF factor-bounds graph:
278
277
276
275
268
264
255
251
this exponent TF target: 89
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00