is 2 1150603 - 1
has 346367 decimal digits
takes 0.034 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
Actual26725.824668.6567 %300000100000000.03564.1387 %25.860369.9539 %
Target2600.133565.0000 %50001300000.00050.7709 %0.134065.2698 %
Difference+7+25.6912+3.6567 %+295000+9870000+0.0351+3.3678%+25.7263+4.6841 %

Known prime factors (1 factor, 33.5 bits, 0.00291137% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1150603121342592391133.4985273
5273
-152731.135e-91.239e-52.307e-5

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-03-17alpertronManual testing3000001000000012
skipped known factor: 12134259239
---8.239%


Trial Factoring results:
5758596061626364656667
No TF results for M1150603


ECM factoring results:
Total ECM effort:17.746 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002819.95
25000025000000447.793


Lucas-Lehmer results:
No L-L results for M1150603


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-0
12134259239
522F7F44CB208B35
2017-10-17Oliver KruseThreadripper-PC
12134259239
522F7F44CB208B35
2018-01-02ATHec2-1xh
12134259239
522F7F44CB208B35


CERT results:
No CERT results for M1150603


P-1 factor-bounds graph:
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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102
103
104
105
106
100
101
102
103
104
105
106
107
TF factor-bounds graph:
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00