is 2 996529 - 1
has 299986 decimal digits
takes 0.030 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LBBC05EA7F450711Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26729.817470.1493%2000000500000000.19836.7406%30.015872.1614%2.0121%
PrimeNet2400.000050.0000%90004000000.001324.0392%0.001362.0196%12.0196%
GPU722440.000054.5455%160007000000.002318.6605%0.002363.0275%8.4820%
Difference+23+29.8174+15.6038%+1984000+49300000+0.1961-11.9199%+30.0135+9.1339%+9.1339%

Known prime factors (1 factor, 60.9 bits, 0.00611573% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99652922196449164693643931960.9451113688069524
22 × 32 × 30935779709
2008-02-079309357797090.263072.435135.29

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08T00:00:00ANONYMOUSv4_computers2000200000---0.001--0.217%
2002-03-03T00:00:00ANONYMOUSv4_computers4096409600---0.001--0.459%
2002-05-05T00:00:00ANONYMOUSv4_computers8192819200---0.002--0.823%
2002-08-10T00:00:00ANONYMOUSv4_computers327683276800---0.009--1.985%
2003-02-02T00:00:00ANONYMOUSv4_computers655366553600---0.018--2.780%
2003-08-31T00:00:00ANONYMOUSv4_computers13107213107200---0.036--3.703%
unknown200000050000000---0.198--6.741%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-07-12T00:00:00ANONYMOUSv4_computers21255--0.005--
2000-10-15T00:00:00ANONYMOUSv4_computers21256--0.010--
2001-12-01T00:00:00ANONYMOUSv4_computers21257--0.019--
2003-06-30T00:00:00ANONYMOUSv4_computers21258--0.039--


ECM factoring results:

Old Calculation Method

Total ECM effort:17.305 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:17.305 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
5000050000002789.66
25000025000000447.645


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-12-01T00:00:00ANONYMOUSv4_computersBBC05EA7F450711E0.030


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-28T15:26:24Oliver KruseGTX-0
2219644916469364393
90E90C0CF746EF__no
2017-10-15T13:03:06Oliver KruseGTX-3
2219644916469364393
90E90C0CF746EF__no
2017-12-24T11:22:40ATHec2-1xf
2219644916469364393
90E90C0CF746EF__no
2020-04-25T14:20:53Oliver KruseAddPrpType5
2219644916469364393
827BE3F8423EE9__no


P-1 factor-bounds graph:
B1 = 2000000, B2 = 50000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 131072 (P-1 stage 1)
B1 = 65536 (P-1 stage 1)
B1 = 8192, B2 = 819200 (P-1 stage 2)
B1 = 32768 (P-1 stage 1)
B1 = 4096, B2 = 409600 (P-1 stage 2)
B1 = 2000, B2 = 200000 (P-1 stage 2)
B1 = 8192 (P-1 stage 1)
B1 = 4096 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
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TF factor-bounds graph:
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257
256
255
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2100
Last modified: 2020-04-25T14:20:53+00:00