is 2 1173631 - 1
has 353299 decimal digits
takes 0.036 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26725.317968.6567%300000100000000.03684.1493%25.354872.8061%10.3061%
PrimeNet2560.008262.5000%5000800000.00042.2596%0.008664.7596%2.2596%
GPU722600.130965.0000%5000280000.00030.7987%0.131165.7987%0.7987%
Difference+7+25.1871+3.6567%+295000+9972000+0.0366+3.3506%+25.2236+7.0073%+7.0073%

Known prime factors (3 factors, 140.0 bits, 0.01192861% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11736311295805987111236.91555205
5 × 61 × 181
-611811.520e-83.003e-65.520e-6
1173631360332133020171445.03415351168
27 × 3 × 7 × 5711
2014-01-1412857117.044e-61.922e-52.586e-5
11736312980694944979063111858.048126986035005
32 × 5 × 172 × 137 × 263 × 271
2014-12-282892890.05771.285e-52.615e-5

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
117363146692053531565321239000872581.949
1173631386240235545238201153653651212994.963
11736311074040167406744067808141332928732103.083
1173631139174767932228564565726535401006525074905743139.998
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-12-28T12:45:00alpertronManual testing30000010000000121858.0480.0130.0720.0274.149%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-01-14T11:35:00TJAOIManual testing??45.034143.04978e-60.0816.88398e-6


ECM factoring results:
Total ECM effort:18.414 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000325 / 1003.2503.815%
2550000325 / 2801.16131.261%
3025000044 / 6400.06993.351%

ECM Summary

B1B2factorcurvesGHz-days
50000500000028110.33
25000025000000448.086


Lucas-Lehmer results:
Exponent "1173631" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T09:48:21Oliver KruseGTX-0
129580598711
36033213302017
298069494497906311
EB5E2001274D872Eno
2017-10-05T21:02:02Oliver KruseManual testing
129580598711
36033213302017
298069494497906311
EB5E2001274D87__no
2017-10-17T13:52:44Oliver KruseThreadripper
129580598711
36033213302017
298069494497906311
EB5E2001274D87__no
2018-01-06T21:37:40ATHec2-1xf
129580598711
36033213302017
298069494497906311
EB5E2001274D87__no


P-1 factor-bounds graph:
B1 = 300000, B2 = 10000000 (stage 2)
B1 = 300000 (stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2020-09-18T09:18:08+00:00