is 2 2792190407 - 1
has 840533067 decimal digits
takes 483,818.085 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
Actual2680.021352.9412%----0.021352.9412%
Target29089,801.733464.4444%14000000640000000090,933.92334.3297%180,735.656765.9839%
Difference-22-89,801.7121-11.5033%-14000000-6400000000-90,933.9233-4.3297%-180,735.6354-13.0427%

Known prime factors (7 factors, 376.3 bits, 0.00001348% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
27921904071563626627931237.18628
22 × 7		2012-08-20476.995e-120.00100.0020
27921904072347282787548631547.73842033
3 × 14011		2018-02-183140117.242e-90.19250.3583
279219040721964765836665511650.964393325
52 × 15733		2018-02-1825157337.994e-80.22130.4023
279219040734691290492730811651.623621220
22 × 5 × 89 × 349		2018-02-18893491.177e-70.02590.0455
279219040716433023228686839591960.511294267597
3 × 13 × 1283 × 5881		2020-01-27128358816.247e-50.38530.6560
279219040721710926019763269531960.913388779468
22 × 3 × 7 × 11 × 420757		2020-01-27114207577.701e-55.762310.757
27921904071912140279580468163832167.37434240864713
3 × 112 × 31 × 89 × 179 × 191		2021-06-231791910.01450.04510.0915

120 Composite Factors:
P-1 results:
No P-1 results for M2792190407


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2020-01-27slaurpalvi2-rtx2126460.511190.001154,5650.003
2020-01-27slaurpalvi2-rtx2126460.913190.001154,5650.003
2021-06-23slaurnocebo-165026426867.374210.020983,7570.041
Missing TF 68 - 69
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2022-01-18ramgeisr4mg31s274275--1.370--
2022-01-19ramgeisr4mg31s275276--2.741--
2022-01-20ramgeisr4mg31s276277--5.481--
2022-01-26ramgeisr4mg31s277278--10.96--
2022-01-30ramgeisr4mg31s278279--21.92--
2022-02-12ramgeisr4mg31s279280--43.85--
2022-04-14ramgeisr4mg31s280281--87.70--


ECM factoring results:
No ECM results for M2792190407


Lucas-Lehmer results:
No L-L results for M2792190407


PRP results:
No PRP results for M2792190407


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
TF factor-bounds graph:
281
280
279
278
277
276
275
268
264
this exponent TF target: 90
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00