is 2 3174361 - 1
has 955578 decimal digits
takes 0.270 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
Actual2652.298366.1538%31743631743610.05844.5807%2.356770.7346%7.4012%
PrimeNet2600.048463.3333%130002400000.00312.6536%0.051565.9869%2.6536%
GPU722641.121365.6250%150002600000.00351.5823%1.124867.2073%1.5823%
Difference+1+1.1770+0.5288%+302436+2914361+0.0549+2.9984%+1.2319+3.5272%+3.5272%

Known prime factors (3 factors, 139.9 bits, 0.00440792% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
31743612051843463191237.57832319
35 × 7 × 19
243243-1.151e-82.999e-56.103e-5
31743614452993610811238.69670140
22 × 3 × 5 × 7 × 167
71672008-09-071.363e-81.940e-62.056e-6
3174361144654648863894548792063.6492278484533799
19 × 4441 × 27002981
4441270029812017-04-040.82390.18210.3391

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3174361913684583196733342108392376.274
3174361296808695691426789940236024040131101.227
3174361644146227164886451055457816419931102.345
3174361132168722554677307089673899679396286323348143139.923
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-28T12:02:41Jocelyn LaroucheManual testing31743631743616---0.058--4.581%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T19:44:00Will EdgingtonManual testing??38.696122.09742e-90.5974.63417e-9
2021-01-04T09:13:17Jocelyn LaroucheManual testing259260--0.024--
2021-01-04T13:51:26Jocelyn LaroucheManual testing260261--0.048--
2021-01-05T04:03:46Jocelyn LaroucheManual testing261262--0.097--
2021-01-06T11:50:31Jocelyn LaroucheManual testing262263--0.309--
2017-04-04T15:13:36TJAOIManual testing26326463.649200.3210.5490.652
2021-01-17T00:34:25Jocelyn LaroucheManual testing264265--1.177--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50000500000030.352


Lucas-Lehmer results:
Exponent "3174361" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-31T21:46:38Oliver KruseGTX-0
205184346319
445299361081
14465464886389454879
28B629F82082DE__no
2017-12-12T20:38:10kkmrkkblmbrbkc4.xlarge
205184346319
445299361081
14465464886389454879
28B629F82082DE__no


P-1 factor-bounds graph:
B1 = 317436, B2 = 3174361 (stage 2)
B1 = 317436 (stage 1)
100
101
102
103
104
105
106
100
101
102
103
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105
106
107
108
TF factor-bounds graph:
265
264
263
262
261
260
2
230
240
250
260
270
280
290
2100
Last modified: 2021-01-17T00:34:25+00:00