is 2 8642459039 - 1
has 2601639408 decimal digits
takes 2,511,214.516 GHz-days to do one PRP test
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2720.110752.7778 %----0.110752.7778 %
Target2961,856,831.071864.5833 %4000000013000000000314,347.14354.0531 %2,171,178.215366.0188 %
Difference-24-1,856,830.9611-11.8056 %-40000000-13000000000-314,347.1435-4.0531 %-2,171,178.1046-13.2410 %

Known prime factors (7 factors, 326.7 bits, 0.00000378% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
86424590391555642627031237.1799
32
2018-06-26992.164e-120.00380.0077
864245903945632183725931342.053264
23 × 3 × 11
2019-07-318111.104e-100.00340.0069
8642459039365057469807371445.0532112
26 × 3 × 11
2019-07-3164645.578e-100.02700.0549
86424590391037095084680011546.5606000
24 × 3 × 53
2019-07-311251251.395e-90.05270.1072
864245903917848579256523591650.665103261
31 × 3331
2019-07-313133313.227e-80.08880.1430
864245903921799911529154391650.953126121
29 × 4349
2019-07-312943492.235e-80.11140.1863
8642459039215299556786121771754.2571245592
23 × 155699
2019-07-3181556994.707e-73.57726.6753

120 Composite Factors:
P-1 results:
No P-1 results for M8642459039


Trial Factoring results:
57585960616263646566676869707172737475767778798081828384858687888990919293949596
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2022-01-09ramgeisramgeis21272
42.053
45.053
54.257
37.179
50.665
50.953
46.560
13
14
17
12
16
16
15


ECM factoring results:
No ECM results for M8642459039


Lucas-Lehmer results:
No L-L results for M8642459039


PRP results:
No PRP results for M8642459039


CERT results:
No CERT results for M8642459039


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
272
this exponent TF target: 96
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00