is 2 1596029 - 1
has 480453 decimal digits
takes 0.071 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LCBF75EBDE215C326double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26837.345769.1176 %2050000078907728900279.694517.8332 %317.040274.6250 %
Target2610.192565.5738 %65003000000.00151.0558 %0.193965.9372 %
Difference+7+37.1533+3.5439 %+20493500+78907428900+279.6930+16.7775%+316.8463+8.6877 %

Known prime factors:
No known factors for M1596029

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-02-04James HeinrichWHS8500014450006--0.0104.595%
2013-11-28David Campeaui5-2500k9800002842000012--0.16010.161%
2015-04-21VictordeHollanderManual testing1000000020000000012--1.31814.763%
2023-01-02JossManual testing100010001200523170--5.88918.059%
2023-02-15JossManual testing100010003563469000--16.0219.977%
2023-06-30JossJoss100010008289448440--36.2721.425%
2023-10-19Sid & AndySpeck2050000078907728900--339.725.900%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-10-29ANONYMOUSv4_computers212570.012
2003-07-30ANONYMOUSv4_computers212580.024
2010-05-03Architects Cubedm1_76l2602610.096
2010-07-04GrunwalderGIMPManual testing212631.000
2016-02-23Mark RoseManual testing2582630.880
2015-03-04snme2pm1Manual testing2632653.571
2015-10-11ramgeisManual testing2652664.682
2017-12-18TJAOIManual testing2662679.364
2018-06-11ramgeisManual testing26726818.73


ECM factoring results:
Total ECM effort:30.604 GHz-days
Estimated T-Level:25.693
DigitsB1CompleteFacMiss
201100015.1850.000%
25500001.67918.656%
302500000.13987.060%
3510000000.00999.074%


ECM Summary

B1B2factorcurvesGHz-days
50000500000028315.74
250000400000004314.86


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-11-07ANONYMOUSv4_computersCBF75EBDE215C3260.071
2015-07-20MadPooManual testingCBF75EBDE215C3260.071


PRP results:
No PRP results for M1596029


CERT results:
No CERT results for M1596029


P-1 factor-bounds graph:
B1 = 20500000, B2 = 78907728900 (P-1 stage 2)
B1 = 10001000, B2 = 8289448440 (P-1 stage 2)
B1 = 10001000, B2 = 3563469000 (P-1 stage 2)
B1 = 10001000, B2 = 1200523170 (P-1 stage 2)
B1 = 20500000 (P-1 stage 1)
B1 = 10000000, B2 = 200000000 (P-1 stage 2)
B1 = 10001000 (P-1 stage 1)
B1 = 10000000 (P-1 stage 1)
B1 = 980000, B2 = 28420000 (P-1 stage 2)
B1 = 980000 (P-1 stage 1)
B1 = 85000, B2 = 1445000 (P-1 stage 2)
B1 = 85000 (P-1 stage 1)
103
104
105
106
107
108
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
268
267
266
265
263
261
258
257
this exponent TF target: 61
TF double-checked to: 67
ECM T-Level=25.69 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00