is 2 4182412163 - 1
has 1259031516 decimal digits
takes 1,132,010.514 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
Actual2710.114354.9296%----0.114354.9296%
Target292239,807.583765.2174%200000009600000000212,689.82294.2542%452,497.406666.6971%
Difference-21-239,807.4694-10.2878%-20000000-9600000000-212,689.8229-4.2542%-452,497.2923-11.7675%

Known prime factors (6 factors, 310.4 bits, 0.00000742% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
418241216383648243271032.9621
1
2012-08-20111.371e-130.00040.0008
41824121631338371892171236.96216
24
2012-08-2016162.272e-120.00630.0128
418241216328199495767811211651.325337120
25 × 5 × 72 × 43
2019-07-1349491.195e-70.01920.0391
41824121632252543467170157611857.64426928760
23 × 5 × 179 × 3761
2020-01-1117937615.028e-60.14680.1502
4182412163267511699412156195272064.5363198055201
11 × 312 × 71 × 4261
2020-12-1096142610.00100.44770.7676
41824121631460119897731845407672166.98517455475941
283 × 3331 × 18517
2020-12-103331185170.00351.63202.6605

57 Composite Factors:
P-1 results:
No P-1 results for M4182412163


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-1325125251.325164.78162e-8245,7181.01845e-7
2020-01-11slaurpalvi2-rtx2126457.644180.001230,7300.002
2020-12-10slaurnocebo-165026426866.985210.0132,302,8600.027
2020-12-10slaurnocebo-165026426864.536200.0132,302,8600.027
2022-01-27ramgeisr4mg31s26927036.962120.0292,302,8600.205
2022-01-27ramgeisr4mg31s26927032.962100.0292,302,8600.205
2022-06-13slaursekunda-rtx206026827136.962120.1002,302,8600.205
2022-06-13slaursekunda-rtx206026827132.962100.1002,302,8600.205
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
Missing TF 74 - 75
2022-02-04ramgeisr4mg31s275276--1.830--
2022-02-08ramgeisr4mg31s276277--3.659--
2022-04-07ramgeisr4mg31s277278--7.318--
2022-04-24ramgeisr4mg31s278279--14.64--


ECM factoring results:
No ECM results for M4182412163


Lucas-Lehmer results:
No L-L results for M4182412163


PRP results:
No PRP results for M4182412163


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
279
278
277
276
271
270
268
264
252
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00