is 2 2016463487 - 1
has 607015995 decimal digits
takes 236,000.912 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
Actual281242.867461.7284%----242.867461.7284%
Target28962,174.083565.1685%10000000440000000042,286.65194.1335%104,460.735366.6083%
Difference-8-61,931.2161-3.4401%-10000000-4400000000-42,286.6519-4.1335%-104,217.8679-4.8799%

Known prime factors (7 factors, 350.4 bits, 0.00001738% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2016463487161317078971133.9094
22
2012-08-20445.729e-130.00070.0014
2016463487362963427671135.0799
32
2012-08-20992.319e-120.00150.0031
20164634871125186625746011546.67727900
22 × 32 × 52 × 31
2014-10-2525316.641e-90.00430.0086
20164634872139548418246491547.60453052
22 × 3 × 4421
2014-10-25444211.222e-80.04150.0763
2016463487712521406058424011755.98417667600
24 × 3 × 52 × 14723
2014-10-2525147234.080e-60.14010.2542
2016463487962937295386690171756.41823876884
22 × 5969221
2014-10-25459692218.206e-655.192103.08
2016463487319932854632785243810412374.7607933018789960
23 × 5 × 112 × 61 × 26869729
2022-02-02121268697292.0780248.45464.01

120 Composite Factors:
P-1 results:
No P-1 results for M2016463487


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-2623323433.909115.40473e-15479,937249.0
2019-06-2623523635.079114.86426e-14479,9370.061
2019-06-2624624746.677151.99240e-9479,937249.0
2019-06-2624724847.604152.92219e-9115,9826.09340e-9
2022-01-27ramgeisr4mg31s26826933.909110.030479,937249.0
2022-01-27ramgeisr4mg31s26826935.079110.030479,9370.061
Missing TF 69 - 70
Missing TF 70 - 71
Missing TF 71 - 72
Missing TF 72 - 73
Missing TF 73 - 74
2022-02-02ramgeisr4mg31s27427574.760231.897479,9373.890
2022-02-09ramgeisr4mg31s275276--3.795--
2022-02-17ramgeisr4mg31s276277--7.590--
2022-02-18ramgeisr4mg31s277278--15.18--
2022-02-21ramgeisr4mg31s278279--30.36--
2022-02-18ramgeisr4mg31s279280--60.72--
2022-04-18ramgeisr4mg31s28028146.67715121.4479,937249.0
2022-04-18ramgeisr4mg31s28028133.90911121.4479,937249.0


ECM factoring results:
No ECM results for M2016463487


Lucas-Lehmer results:
No L-L results for M2016463487


PRP results:
No PRP results for M2016463487


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
281
280
279
278
277
276
275
269
248
247
236
234
this exponent TF target: 89
250
260
270
280
290
Last modified: 2023-07-11T14:45:05+00:00