is 2 1760609 - 1
has 529997 decimal digits
takes 0.096 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L5E51A8581EFECB5Bdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26833.854769.1176 %200000002967357393001,273.222719.6957 %1,307.077475.2001 %
Target2610.174565.5738 %80006000000.00321.4527 %0.177666.0739 %
Difference+7+33.6802+3.5439 %+19992000+296735139300+1,273.2196+18.2430%+1,306.8998+9.1263 %

Known prime factors:
No known factors for M1760609

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-02-09Carsten Kossendeymother9500015675006--0.0144.815%
2014-04-08JossManual testing100000100000--0.0082.023%
2014-05-09JossManual testing136456136456--0.0112.336%
2014-09-17ANONYMOUSManual testing172912172912--0.0142.592%
2015-04-26mikrMSI24754008666000012--0.55612.672%
2018-07-10JossManual testing17606098803045012---12.476%
2018-08-13JossManual testing176060917606090012--0.88613.608%
2018-10-19JossManual testing176060919366699012--0.96113.762%
2023-01-06JossManual testing1760609914413500--4.90816.238%
2023-02-26JossManual testing17606092659470660--13.9717.897%
2023-06-29JossJoss17606097179269790--32.5419.409%
2023-07-25linamentU2K2000000020000000--1.57310.259%
2023-07-25linamentCyber20000000296735739300--1,27328.175%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-01-25ANONYMOUSv4_computers212580.022
2010-04-18Architects Cubedm1_f22602610.087
2010-12-13GrunwalderGIMPManual testing212630.906
2016-02-23Mark RoseManual testing2582630.797
2015-04-29snme2pm1Manual testing2632653.237
2015-09-06ramgeisManual testing2652664.244
2018-05-07TJAOIManual testing2662678.489
2019-08-16TJAOIManual testing26726816.98


ECM factoring results:
Total ECM effort:37.890 GHz-days
Estimated T-Level:25.699
DigitsB1CompleteFacMiss
201100015.2080.000%
25500001.68818.498%
302500000.14086.948%
3510000000.00999.061%


ECM Summary

B1B2factorcurvesGHz-days
50000500000028119.17
250000400000004418.72


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-12-06ANONYMOUSv4_computers5E51A8581EFECB5B0.096
2007-04-07ANONYMOUSv4_computers5E51A8581EFECB5B0.096
2016-06-02MadPooManual testing5E51A8581EFECB5B0.096


PRP results:
No PRP results for M1760609


CERT results:
No CERT results for M1760609


P-1 factor-bounds graph:
B1 = 20000000, B2 = 296735739300 (P-1 stage 2)
B1 = 1760609, B2 = 7179269790 (P-1 stage 2)
B1 = 1760609, B2 = 2659470660 (P-1 stage 2)
B1 = 1760609, B2 = 914413500 (P-1 stage 2)
B1 = 20000000 (P-1 stage 1)
B1 = 1760609, B2 = 193666990 (P-1 stage 2)
B1 = 1760609, B2 = 176060900 (P-1 stage 2)
B1 = 2475400, B2 = 86660000 (P-1 stage 2)
B1 = 1760609, B2 = 88030450 (P-1 stage 2)
B1 = 2475400 (P-1 stage 1)
B1 = 1760609 (P-1 stage 1)
B1 = 95000, B2 = 1567500 (P-1 stage 2)
B1 = 172912 (P-1 stage 1)
B1 = 136456 (P-1 stage 1)
B1 = 100000 (P-1 stage 1)
B1 = 95000 (P-1 stage 1)
103
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105
106
107
108
103
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105
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109
1010
1011
1012
TF factor-bounds graph:
268
267
266
265
263
261
258
this exponent TF target: 61
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00