is 2 4291657043 - 1
has 1291917502 decimal digits
takes 1,161,578.703 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
Actual2710.111454.9296%----0.111454.9296%
Target292233,703.239765.2174%2200000010400000000230,537.66634.3564%464,240.906166.7327%
Difference-21-233,703.1284-10.2878%-22000000-10400000000-230,537.6663-4.3564%-464,240.7947-11.8031%

Known prime factors (6 factors, 314.1 bits, 0.00000732% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
429165704333045759231111341.588385
5 × 7 × 11
2012-08-207111.308e-100.00280.0056
4291657043193639565780171444.1382256
24 × 3 × 47
2019-07-1416477.489e-100.00690.0128
4291657043830950636665671446.2409681
3 × 7 × 461
2019-07-1474612.294e-90.01250.0184
4291657043912921286186971446.37610636
22 × 2659
2012-08-26426592.892e-90.05830.1062
429165704324269155778534548811961.074282748080
24 × 3 × 5 × 17 × 37 × 1873
2020-01-153718730.00010.05380.0749
4291657043300775541216761167264412374.6713504188920540
22 × 5 × 7 × 11 × 2275447351
2020-05-041122754473511.485848,65490,872

57 Composite Factors:
P-1 results:
No P-1 results for M4291657043


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-1424424544.138142.02831e-10251,3634.30688e-10
2019-07-1424624746.240141.09217e-10251,3632.31909e-10
2020-01-15slaurpalvi2-rtx2126461.074190.001236,7560.002
2020-05-04ramgeisr4mg31s2126944.138140.028236,7560.059
2020-05-04ramgeisr4mg31s2126961.074190.028236,7560.059
2020-05-04ramgeisr4mg31s2126941.588130.028236,7560.059
2020-05-04ramgeisr4mg31s2126946.240140.028236,7560.059
2020-05-04ramgeisr4mg31s2126946.376140.028236,7560.059
2023-08-11slaurpalvi2-rtx269271--0.084--
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2020-05-04ramgeisr4mg31s27427574.671230.892236,7561.893
2022-02-03ramgeisr4mg31s275276--1.783--
2022-02-06ramgeisr4mg31s276277--3.566--
2022-04-07ramgeisr4mg31s277278--7.132--
2022-04-27ramgeisr4mg31s278279--14.26--


ECM factoring results:
No ECM results for M4291657043


Lucas-Lehmer results:
No L-L results for M4291657043


PRP results:
No PRP results for M4291657043


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
279
278
277
276
275
271
269
264
247
245
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-08-11T14:41:18+00:00