is 2 119179 - 1
has 35877 decimal digits
takes 0.000 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
Actual267249.321874.6269 %10000000020000000000.770511.8754 %250.092377.6400 %
Target2440.000061.3636 %19001600000.00005.7034 %0.000163.5672 %
Difference+23+249.3217+13.2632 %+99998100+1999840000+0.7705+6.1720%+250.0922+14.0728 %

Known prime factors (1 factor, 27.7 bits, 0.02328174% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
119179225248311927.747945
33 × 5 × 7
-27271.807e-101.022e-72.080e-7

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-03-03kkmrkkblmbrbkManual testing100000000200000000012
skipped known factor: 225248311
---41.102%


Trial Factoring results:
5758596061626364656667
No TF results for M119179


ECM factoring results:
Total ECM effort:12.732 GHz-days
Estimated T-Level:30.632
DigitsB1CompleteFacMiss
201100076.4580.000%
255000011.7250.001%
302500001.35225.882%
3510000000.12688.128%
4030000000.01099.003%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002660.727
250000250000006028.231
1000000100000000693.774


Lucas-Lehmer results:
No L-L results for M119179


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KruseOllaptop
225248311
349B10646E3F8B43
2017-09-21Oliver KruseManual testing
225248311
349B10646E3F8B43
2017-09-22Oliver KruseManual testing
225248311
349B10646E3F8B43
2017-11-06kkmrkkblmbrbkc4.xlarge
225248311
349B10646E3F8B43
2020-04-17Oliver KruseAddPrpType5
225248311
B9B18A22C3A906A8
2024-02-03Wentao HuangManual testing
225248311
B9B18A22C3A906A8


CERT results:
dateuseridcompid
2024-02-03curtiscwcm128--07l


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=30.63 ~= 85-bit
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00