is 2 1264848379 - 1
has 380757303 decimal digits
takes 91,057.372 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
Actual2690.094455.0725%----0.094455.0725%
Target28612,389.999763.9535%7000000288000000017,070.22854.5198%29,460.228165.5827%
Difference-17-12,389.9053-8.8810%-7000000-2880000000-17,070.2285-4.5198%-29,460.1338-10.5103%

Known prime factors (7 factors, 379.0 bits, 0.00002997% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1264848379126484837911133.5585
5		2012-08-20159.155e-130.00010.0002
12648483795056079613247031548.845199869
3 × 17 × 3919		2019-07-141739195.569e-80.02400.0416
126484837917839522725286331650.664705204
22 × 32 × 19 × 1031		2019-07-141910311.254e-70.00770.0110
126484837938440791292183991651.7721519581
3 × 7 × 2692		2019-07-1472361723612.490e-77.553515.373
126484837920451065418679489911960.827808439405
5 × 61 × 2650621		2020-01-086126506210.000215.08128.156
1264848379417321493168251747772065.17816496897972
22 × 19 × 3313 × 65519		2021-03-073313655190.00880.69960.7038
12648483793344283868170655733212168.180132200978540
22 × 5 × 37 × 13043 × 13697		2022-01-2713043136970.07641.36522.7709

120 Composite Factors:
P-1 results:
No P-1 results for M1264848379


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-142125550.664163.79468e-670,6007.84725e-6
2019-07-142125551.772163.79468e-670,6007.84725e-6
2019-07-142125548.845153.79468e-670,6007.84725e-6
2020-01-08slaursekunda-rtx20602126460.827190.00370,6000.006
2021-03-07slaursekunda-rtx206026426865.178200.044185,1790.091
2022-01-27ramgeisr4mg31s26826968.180210.047185,4640.097
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
2022-02-01ramgeisr4mg31s273274--1.512--
2022-02-04ramgeisr4mg31s274275--3.025--
2022-02-16ramgeisr4mg31s275276--6.050--
2022-02-16ramgeisr4mg31s276277--12.10--
2022-02-18ramgeisr4mg31s277278--24.20--
2022-02-20ramgeisr4mg31s278279--48.40--
2022-04-10ramgeisr4mg31s279280--96.80--


ECM factoring results:
No ECM results for M1264848379


Lucas-Lehmer results:
No L-L results for M1264848379


PRP results:
No PRP results for M1264848379


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
TF factor-bounds graph:
280
279
278
277
276
275
274
269
268
264
255
this exponent TF target: 86
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00