is 2 14034199 - 1
has 4224715 decimal digits
takes 6.227 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L0CAA1FA2701A26C5double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27268.143166.6667%550000126500000.77793.9105%68.921067.9702%4.8932%
PrimeNet2650.519963.0769%6000019000000.10314.0034%0.622964.5551%1.4782%
GPU722698.506865.2174%9000024000000.13892.8541%8.645766.2101%0.9927%
Difference+3+59.6362+1.4493%+460000+10250000+0.6391+1.0564%+60.2753+1.7600%+1.7600%

Known prime factors (1 factor, 76.3 bits, 0.00054348% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
14034199913019113495119325349292376.2733252836565503736
23 × 3 × 23 × 734017 × 8028179
2021-05-0773401780281791,594.70.72790.9610

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-12-22T00:00:00ANONYMOUSv4_computers1550001860000---0.159--2.091%
2020-11-12T14:49:01masserManual testing550000126500002---0.778--3.911%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-25T14:33:34masserManual testing5000001000000065--0.815
2021-04-29T13:49:13masserManual testing500000100000007513--0.815
2021-05-07T01:55:08masserManual testing12600006930000027P-12376.2733.569


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-24T00:00:00lalerav4_computers?258--0.003--
2000-08-24T00:00:00ANONYMOUSv4_computers?259--0.003--
2000-09-08T00:00:00ANONYMOUSv4_computers?264--0.140--
2000-09-23T00:00:00ANONYMOUSv4_computers?265--0.266--
2014-07-22T14:14:00NesowaManual testing265266--0.532--
2015-08-20T09:21:00ThaManual testing266267--1.065--
2018-02-15T11:06:32ramgeisManual testing267268--2.130--
2018-02-15T11:06:32ramgeisManual testing268269--4.260--
2020-04-29T14:16:21masserManual testing269270--8.519--
2020-07-15T12:35:30masserManual testing270271--17.04--
2021-02-05T14:40:20masserManual testing271272--34.08--


ECM factoring results:
Total ECM effort:2.732 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

ECM Summary

B1B2factorcurvesGHz-days
50000500000010.675
76620758538022.057


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-04-14T00:00:00ANONYMOUSv4_computers0CAA1FA2701A26C56.227
2005-04-02T00:00:00Team Prime Ribv4_computers0CAA1FA2701A26C56.227


PRP results:
Exponent "14034199" not found


P-1 factor-bounds graph:
B1 = 550000, B2 = 12650000 (stage 2)
B1 = 550000 (stage 1)
B1 = 155000, B2 = 1860000 (stage 2)
B1 = 155000 (stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
259
258
250
260
270
280
290
2100
Last modified: 2021-05-07T16:38:35+00:00