is 2 3523187 - 1
has 1060585 decimal digits
takes 0.370 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
Actual26816.917967.6471 %100000011209789509.445010.0617 %26.362970.9023 %
Target2641.010365.6250 %2000018000000.01781.9177 %1.028166.2842 %
Difference+4+15.9076+2.0221 %+980000+1119178950+9.4272+8.1440%+25.3348+4.6181 %

Known prime factors (3 factors, 156.0 bits, 0.00442671% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3523187718468022887211446.03010196280
23 × 35 × 5 × 1049
-24310495.287e-64.369e-57.531e-5
35231876045909596386631549.10385801713
3 × 28600571
2014-04-233286005713.830e-50.23730.4432
352318720469219485859520491960.828290492946952
23 × 13 × 36107 × 77359
2016-03-0936107773590.05430.00580.0112

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-03-13JossManual testing10000001120978950
skipped known factor: 71846802288721
skipped known factor: 604590959638663
skipped known factor: 2046921948585952049
--11.2213.629%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2014-04-23TJAOIManual testing??
49.103
15
2016-03-09TJAOIManual testing260261*
60.828
19
0.036
2022-06-02LordJuliusManual testing262267
2022-02-22JossManual testing267268


ECM factoring results:
Total ECM effort:0.443 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.443


Lucas-Lehmer results:
No L-L results for M3523187


PRP results:
dateuseridcompidcofactorsres64
2017-11-08Oliver KruseGTX-1
71846802288721
604590959638663
2046921948585952049
FD8BA03ED2248B5B
2017-12-17kkmrkkblmbrbkc4.xlarge
71846802288721
604590959638663
2046921948585952049
FD8BA03ED2248B5B


CERT results:
No CERT results for M3523187


P-1 factor-bounds graph:
B1 = 1000000, B2 = 1120978950 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
267
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00