is 2 69160687 - 1
has 20819442 decimal digits
takes 184.909 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L9D9D656C5E96C0__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual275110.639664.0000 %685000116450004.97053.5872 %115.610165.2914 %
Target27455.318563.5135 %4500007500000017.49063.9440 %72.809164.9525 %
Difference+1+55.3211+0.4865 %+235000-63355000-12.5201-0.3568 %+42.8009+0.3389 %

Known prime factors:
No known factors for M69160687

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-01-16PascalBieriGIMPS2WEB68500011645000--4.9703.953%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-10-22Jossv4_computers212560.000
2001-06-03Jossv4_computers212570.000
2003-11-28ANONYMOUSv4_computers212610.002
2004-01-18ANONYMOUSv4_computers212620.004
2004-03-08ANONYMOUSv4_computers212630.014
2016-03-29Mark RoseManual testing263264
2016-03-30Mark RoseManual testing264265
2008-06-06James HeinrichQ66002652670.324
2008-06-08James HeinrichQ66002672680.432
2010-02-08SAHS Physics Clubphysicsclub102682690.864
2013-05-24SMoffatManual testing2692701.729
2013-06-27Le ComteManual testing2702713.458
2014-01-10garoManual testing2712726.915
2014-09-16Matthias WurtingerManual testing27227441.49
2014-09-19Matthias WurtingerManual testing27427555.32


ECM factoring results:
No ECM results for M69160687


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-12-18ANONYMOUSBIG-ONE-20009D9D656C5E96C0__184.9


PRP results:
No PRP results for M69160687


CERT results:
No CERT results for M69160687


P-1 factor-bounds graph:
B1 = 685000, B2 = 11645000 (P-1 stage 2)
B1 = 685000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
272
271
270
269
268
267
265
264
263
262
261
257
256
this exponent TF target: 74
TF double-checked to: 67
250
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280
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Last modified: 2024-03-13T02:15:48+00:00