is 2 4999151 - 1
has 1504895 decimal digits
takes 0.693 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.943865.6716%----5.943865.6716%0.0000%
PrimeNet2610.061462.2951%220004500000.00913.3131%0.070663.5443%1.2492%
GPU722651.459464.6154%340007000000.01412.4159%1.473565.4703%0.8549%
Difference+2+4.4844+1.0563%-34000-700000-0.0141-2.4159%+4.4703+0.2014%-0.8549%

Known prime factors (1 factor, 49.7 bits, 0.00099400% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
49991519092777884107431549.69290943221
3 × 30314407
-3303144072.520e-50.33200.6200

P-1 results:
No P-1 results for M4999151


Trial Factoring results:
No TF results for M4999151


ECM factoring results:
Total ECM effort:0.632 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.632


Lucas-Lehmer results:
No L-L results for M4999151


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T18:08:41kkmrkkblmbrbkManual testing
909277788410743
5F72EAC21B047A__no
2018-04-23T05:20:13ATHec2-PRPCFDC
909277788410743
5F72EAC21B047A__no


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2019-09-05T04:28:26+00:00