is 2 10040491 - 1
has 3022489 decimal digits
takes 2.928 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP0AEF51130CAA56__
unverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26911.890565.2174%----11.890565.2174%0.0000%
PrimeNet2640.354562.5000%4500013000000.04793.7467%0.402463.9050%1.4050%
GPU722685.936564.7059%6500015000000.06062.5695%5.997065.6128%0.9069%
Difference+1+5.9541+0.5115%-65000-1500000-0.0606-2.5695%+5.8935-0.3954%-0.3954%

Known prime factors (3 factors, 118.3 bits, 0.00117842% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10040491180728839927.4299
32
-991.784e-123.806e-67.746e-6
100404911707887519111237.3138505
35 × 5 × 7
2008-09-082432433.357e-90.00010.0002
10040491134331329276648391753.577668948009
12503 × 53503
2014-09-3012503535030.00020.00620.0108

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
10040491308664528471340613292064.743
1004049124277545181495373335919212581.006
1004049122942280069704352965287573292890.890
1004049141463316410105067846626304218291103136118.319
P-1 results:
No P-1 results for M10040491


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T05:40:00Will EdgingtonManual testing??37.313121.53344e-96.3073.30273e-9
2014-09-30T11:37:00TJAOIManual testing253254*53.577170.0006.3070.000
TF assumed completed to 67 but no detailed record exists
2021-11-24T10:53:59ViliamFManual testing267268--2.977--
2021-12-28T17:29:11ViliamFManual testing268269--5.954--


ECM factoring results:
No ECM results for M10040491


Lucas-Lehmer results:
No L-L results for M10040491


PRP results:
dateuseridcompidcofactorsres64PRP
2019-12-19T10:48:45Niels_Mache_NextcloudSuperDry-X
180728839
170788751911
13433132927664839
0AEF51130CAA56__no
2021-02-26T20:07:10oodairacom2
180728839
170788751911
13433132927664839
0AEF51130CAA5608no


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
TF factor-bounds graph:
269
268
254
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-12-28T17:29:11+00:00