is 2 14010797 - 1
has 4217671 decimal digits
takes 6.216 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LB84B83CCDBFE2DD2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27134.122166.1972%60000001600000009.25788.2718%43.380074.4690%11.3921%
PrimeNet2650.520763.0769%6000019000000.10314.0024%0.623867.0793%4.0024%
GPU722698.521165.2174%9000024000000.13892.8534%8.659968.0708%2.8534%
Difference+2+25.6011+0.9798%+5910000+157600000+9.1190+5.4184%+34.7200+6.3982%+6.3982%

Known prime factors (1 factor, 80.8 bits, 0.00057664% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1401079720932524080849806132604812580.79274701403784701920
25 × 5 × 312 × 432 × 262753483
18492627534832020-10-0930,5669.210817.201

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-03-01T00:00:00ANONYMOUSv4_computers1550001821250---0.158--2.336%
2020-09-26T17:26:32masserManual testing60000006000000---3.860--4.125%
2020-10-09T22:03:27masserManual testing6000000160000000122580.7929.25812.4318.528.272%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-11-25T00:00:00ANONYMOUSv4_computers?265--0.267--
2014-07-22T14:08:00NesowaManual testing265266--0.533--
2015-08-18T06:24:00ThaManual testing266267--1.067--
2018-02-05T20:31:59ramgeisManual testing267268--2.133--
2018-02-05T20:31:59ramgeisManual testing268269--4.267--
2018-09-12T17:50:14mikrManual testing269270--8.534--
2020-06-05T01:02:23masserManual testing270271--17.07--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50000500000074.723


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-03-08T00:00:00ANONYMOUSv4_computersB84B83CCDBFE2DD26.216
2005-05-12T00:00:00Sturle Sundev4_computersB84B83CCDBFE2DD26.216


PRP results:
Exponent "14010797" not found


P-1 factor-bounds graph:
B1 = 6000000, B2 = 160000000 (stage 2)
B1 = 6000000 (stage 1)
B1 = 155000, B2 = 1821250 (stage 2)
B1 = 155000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-10-09T22:03:27+00:00