is 21653499-1
has 497,753 decimal digits
takes 0.078 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L58747AE4E4AD3B8Bdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.965266.6667%1,000,00040,000,0000.21329.1139%1.178575.7805%12.6226%
PrimeNet2570.011663.1579%7,000120,0000.00092.5645%0.012565.7224%2.5645%
GPU722610.185865.5738%7,00070,0000.00071.1516%0.186566.7254%1.1516%
Difference+2+0.7795+1.0929%+993,000+39,930,000+0.2125+7.9622%+0.9920+9.0551%+9.0551%

Known prime factors (1 factor, 114.8 bits, 0.00694394% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
16534993661347693236650281956517139890530335114.81811071514688659171496192368849
7 × 11 × 19 × 211 × 137791 × 176503 × 457661 × 3222281
457,6613,222,2812012-02-141.016e+110.04150.0636

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-02-14T09:06:00AxonManual testing100,000100,000---0.007--1.531%
2012-02-14T09:07:00AxonManual testing200,000200,000---0.014--2.134%
2012-02-14T09:07:00AxonManual testing300,000300,000---0.020--2.541%
2012-02-14T09:08:00AxonManual testing400,000400,000---0.027--2.852%
2012-02-14T09:08:00AxonManual testing500,000500,000---0.034--3.108%
2012-02-14T09:08:00AxonManual testing600,000600,000---0.041--3.324%
2012-02-14T09:09:00AxonManual testing700,000700,000---0.048--3.514%
2012-02-14T09:09:00AxonManual testing800,000800,000---0.055--3.682%
2012-02-14T09:09:00AxonManual testing900,000900,000---0.061--3.834%
2012-02-14T09:09:00AxonManual testing1,000,0001,000,000---0.068--3.973%
2012-02-14T09:09:00AxonManual testing1,000,00016,000,000---0.124--7.832%
2012-02-14T09:09:00AxonManual testing1,000,00024,000,000---0.154--8.399%
2012-02-14T09:09:00AxonManual testing1,000,00032,000,000---0.183--8.802%
2012-02-14T09:10:00AxonManual testing1,000,00040,000,000---0.213--9.114%
2016-03-17T19:17:56alpertronManual testing500,00015,000,00012---0.088--7.312%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-05-11T00:00:00ANONYMOUSv4_computers?258--0.023--
2010-04-29T08:40:00For Researchm1_tt260261--0.093--
2010-08-13T02:23:00GrunwalderGIMPManual testing21263--0.965--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50,0005,000,00025114.88


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-12-21T00:00:00ANONYMOUSv4_computers58747AE4E4AD3B8B0.078


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-02T19:10:35Oliver KruseGTX-3
36613476932366502819565171398905303
043E3708025522__no
2017-11-02T09:25:04kkmrkkblmbrbkc4.xlarge
36613476932366502819565171398905303
043E3708025522__no


P-1 factor-bounds graph:
B1 = 1,000,000, B2 = 40,000,000 (stage 2)
B1 = 1,000,000, B2 = 32,000,000 (stage 2)
B1 = 1,000,000, B2 = 24,000,000 (stage 2)
B1 = 1,000,000, B2 = 16,000,000 (stage 2)
B1 = 500,000, B2 = 15,000,000 (stage 2)
B1 = 1,000,000 (stage 1)
B1 = 900,000 (stage 1)
B1 = 800,000 (stage 1)
B1 = 700,000 (stage 1)
B1 = 600,000 (stage 1)
B1 = 500,000 (stage 1)
B1 = 400,000 (stage 1)
B1 = 300,000 (stage 1)
B1 = 200,000 (stage 1)
B1 = 100,000 (stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
263
261
258
250
260
270
280
290
2100
2110
2120
Last modified: 2019-11-18T17:52:17+00:00