is 2 3882750251 - 1
has 1168824292 decimal digits
takes 974,102.945 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
Actual281126.130560.4938%----126.130560.4938%
Target292258,315.392465.2174%190000008800000000180,946.68204.1469%439,262.074466.6598%
Difference-11-258,189.2619-4.7236%-19000000-8800000000-180,946.6820-4.1469%-439,135.9439-6.1660%

Known prime factors (7 factors, 316.8 bits, 0.00000816% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
388275025177655005031032.8541
1
2012-08-20111.477e-130.00040.0007
38827502517765500502011239.498100
22 × 52
2014-08-2625252.335e-110.00910.0185
388275025110949355707831339.994141
3 × 47
2014-08-263472.519e-110.00200.0022
388275025170899019583271342.689913
11 × 83
2014-08-2611831.771e-100.00540.0081
38827502511264301136730631546.84516281
35 × 67
2014-08-262432434.260e-90.08840.1799
38827502515285277296666231548.90968061
3 × 72 × 463
2014-08-26494631.014e-80.02600.0363
3882750251762874137807362016972066.0489823888848
24 × 3 × 499 × 410149
2014-08-264994101490.00598.300615.182

120 Composite Factors:
P-1 results:
No P-1 results for M3882750251


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-09-22Seth_Tr108026626766.048200.0041,979,5600.008
2021-05-03slaurnocebo-165026426866.048200.0141,979,5600.008
2021-09-22Seth_Tr108026426966.048200.0301,979,5600.008
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
Missing TF 74 - 75
2014-08-2627527642.689132.62275e-111,979,5604.038
2014-08-2627527632.854103.50861e-161,979,56064.60
2022-01-18ramgeisr4mg31s27527642.689131.9711,979,5604.038
2022-01-18ramgeisr4mg31s27527632.854101.9711,979,56064.60
2014-08-26276277--3.942--
2022-01-19ramgeisr4mg31s276277--3.942--
2022-01-21ramgeisr4mg31s277278--7.883--
2022-01-29ramgeisr4mg31s278279--15.77--
2022-02-09ramgeisr4mg31s27928039.9941331.531,979,56064.60
2022-02-09ramgeisr4mg31s27928046.8451531.531,979,56064.60
2022-02-09ramgeisr4mg31s27928039.4981231.531,979,56064.60
2022-02-09ramgeisr4mg31s27928032.8541031.531,979,56064.60
2022-04-14ramgeisr4mg31s280281--63.07--


ECM factoring results:
No ECM results for M3882750251


Lucas-Lehmer results:
No L-L results for M3882750251


PRP results:
No PRP results for M3882750251


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
281
280
279
278
277
276
269
268
267
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00