is 2 1646046421 - 1
has 495509347 decimal digits
takes 162,604.238 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
Actual2680.036254.4118 %----0.036254.4118 %
Target28838,082.695464.7727 %9000000225000000018,777.88914.2023 %56,860.584566.2531 %
Difference-20-38,082.6592-10.3610 %-9000000-2250000000-18,777.8891-4.2023 %-56,860.5483-11.8413 %

Known prime factors (2 factors, 99.1 bits, 0.00000602% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
164604642111061431949131340.009336
24 × 3 × 7
2012-08-2016168.899e-110.00230.0047
16460464216055414472331652491859.071183938144
25 × 13 × 139 × 3181
2020-03-1113931814.665e-50.04360.0464

1 Composite Factors:
P-1 results:
No P-1 results for M1646046421


Trial Factoring results:
5758596061626364656667686970717273747576777879808182838485868788
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2020-03-11slaursekunda-rtx20602226459.071180.002
2021-06-24slaursekunda-rtx20602642680.034


ECM factoring results:
No ECM results for M1646046421


Lucas-Lehmer results:
No L-L results for M1646046421


PRP results:
No PRP results for M1646046421


CERT results:
No CERT results for M1646046421


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
TF factor-bounds graph:
268
264
this exponent TF target: 88
250
260
270
280
290
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Last modified: 2024-02-09T03:30:02+00:00