is 2 1100147 - 1
has 331178 decimal digits
takes 0.033 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L003F49E5501ABACEdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26727.009068.6567%300000100000000.03564.1148%27.044669.9464%1.2897%
PrimeNet2560.008762.5000%4500650000.00032.0277%0.009163.2604%0.7604%
GPU722600.139665.0000%4500220000.00020.6838%0.139865.2393%0.2393%
Difference+7+26.8694+3.6567%+295500+9978000+0.0354+3.4311%+26.9048+4.7071%+4.7071%

Known prime factors (1 factor, 71.3 bits, 0.00648513% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
110014730011633519096804710012271.3461363982882246500
22 × 53 × 2727965764493
2009-11-241252727965764493714.966,387.511,930

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-02-17T00:00:00Jocelyn Larouchev4_computers15000153750---0.001--0.682%
2016-03-17T18:59:49alpertronManual testing3000001000000012---0.036--4.115%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-12-01T00:00:00ANONYMOUSv4_computers21257--0.017--
2001-09-30T00:00:00Jocelyn Larouchev4_computers21257--0.017--
2022-03-07T01:57:42firejugglerManual testing257260--0.122--
2022-03-07T17:30:50LordJuliusManual testing257260--0.122--
2008-12-25T21:27:00Architects Cubedi4l_1260261--0.140--
2022-04-12T17:43:15LordJuliusManual testing21261--0.279--
2022-04-12T17:43:15LordJuliusManual testing261262--0.279--
2022-04-12T17:43:15LordJuliusManual testing262263--0.892--
2022-04-12T17:43:15LordJuliusManual testing263264--1.785--


ECM factoring results:

Old Calculation Method

Total ECM effort:17.530 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000322 / 1003.2203.931%
2550000322 / 2801.15031.599%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:17.530 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100014.6920.000%
25500001.60920.008%
302500000.13187.737%
3510000000.00999.133%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002789.79
25000025000000447.744


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-04-07T00:00:00ANONYMOUSv4_computers003F49E5501ABACE0.033
2009-05-14T19:15:00Rob_Deetwopc003F49E5501ABACE0.033


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T01:39:04Oliver KruseGTX-3
3001163351909680471001
58509B1F112ECA__no
2017-10-16T12:52:59Oliver KruseThreadripper
3001163351909680471001
58509B1F112ECA__no
2018-01-01T04:13:53ATHec2-1xf
3001163351909680471001
58509B1F112ECA__no


P-1 factor-bounds graph:
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 15000, B2 = 153750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
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TF factor-bounds graph:
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262
261
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2100
Last modified: 2022-04-12T17:43:15+00:00