is 2 998684399 - 1
has 300633961 decimal digits
takes 47,368.156 GHz-days to do one PRP test
Last-known PrimeNet details:
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
Actual2690.119556.5217%----0.119556.5217%
Target2857,846.057764.7059%55000002800000001,406.81404.4840%9,252.871766.2885%
Difference-16-7,845.9381-8.1841%-5500000-280000000-1,406.8140-4.4840%-9,252.7521-9.7667%

Known prime factors (3 factors, 134.7 bits, 0.00001348% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99868439919973687991030.8951
1		2008-05-05111.433e-136.877e-50.0001
998684399798947519211136.21740
23 × 5		2012-06-16889.246e-120.00060.0011
9986843992163374574552068266392167.552108311223081
3 × 61 × 6277 × 94291		2021-12-236277942910.05010.76150.8786

4 Composite Factors:
P-1 results:
No P-1 results for M998684399


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-06-16TF to low limitsManual testing??36.217117.93658e-14103,9891.74235e-13
2021-12-23ViliamFManual testing267268
skipped known factors(?)
--0.030--
2021-12-23ViliamFManual testing26726867.552210.020103,9890.045
2023-03-05onlinegameManual testing268269--0.060--


ECM factoring results:
No ECM results for M998684399


Lucas-Lehmer results:
No L-L results for M998684399


PRP results:
No PRP results for M998684399


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
269
268
2
this exponent TF target: 85
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00