is 2 2385113 - 1
has 717991 decimal digits
takes 0.161 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
Actual26712.458167.1642%2000000600000000.50557.6104%12.963569.6631%2.4989%
PrimeNet2590.032262.7119%100001700000.00182.4767%0.034063.6354%0.9235%
GPU722630.669265.0794%100001400000.00171.2732%0.670865.5240%0.4446%
Difference+4+11.7889+2.0848%+1990000+59860000+0.5038+6.3372%+12.2927+4.1391%+4.1391%

Known prime factors (2 factors, 65.0 bits, 0.00272545% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
238511314310679823.7713
3
-134.688e-131.086e-71.994e-7
238511325870414368071341.234542331
32 × 60259
2008-07-149602591.704e-70.00030.0006

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2385113370223195618437619532065.005
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-09-28T16:24:27alpertronManual testing20000006000000012-
skipped known factor: 14310679
skipped known factor: 2587041436807
--0.505--7.610%


Trial Factoring results:
No TF results for M2385113


ECM factoring results:

Old Calculation Method

Total ECM effort:0.267 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.267 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000030.267


Lucas-Lehmer results:
No L-L results for M2385113


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-12T13:14:55Chang Chia-Tchehomura
14310679
2587041436807
D0B228388B155A__no
2017-11-02T13:58:32Oliver KruseGTX-0
14310679
2587041436807
D0B228388B155A__no


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2018-09-28T16:24:27+00:00