is 2 4713739 - 1
has 1418977 decimal digits
takes 0.621 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
Actual2676.303765.6716%----6.303765.6716%0.0000%
PrimeNet2610.065262.2951%200004000000.00783.1235%0.072963.4728%1.1777%
GPU722651.547864.6154%300006000000.01172.2338%1.559465.4058%0.7904%
Difference+2+4.7559+1.0563%-30000-600000-0.0117-2.2338%+4.7443+0.2658%+0.2658%

Known prime factors (1 factor, 59.3 bits, 0.00125818% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
47137397133466331085191431859.30775666751289
563 × 134399203
1998-04-055631343992030.02761.39812.6110

P-1 results:
No P-1 results for M4713739


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-04-05T00:00:00ANONYMOUSv4_computers??59.307180.0111.2940.024


ECM factoring results:

Old Calculation Method

Total ECM effort:0.592 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.592 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.592


Lucas-Lehmer results:
No L-L results for M4713739


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-19T18:41:22Oliver KruseGTX-1
713346633108519143
30B08978854416__no
2018-01-05T00:48:19kkmrkkblmbrbkc4.xlarge
713346633108519143
30B08978854416__no


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
2
250
260
270
280
290
2100
Last modified: 2019-04-18T21:47:04+00:00