is 2 83294507 - 1
has 25074146 decimal digits
takes 259.919 GHz-days to do one PRP test
Last-known PrimeNet details:
1 L-L tests remaining
ResidueStatus
L-L13B772DED0C058__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277367.469264.9351%635000111125005.45612.9539%372.925367.8890%5.9172%
PrimeNet2715.739661.9718%360000170000005.73105.3680%11.470667.3398%5.3680%
GPU7227591.865764.0000%550000190000007.03693.9343%98.902667.9343%3.9343%
Difference+2+275.6035+0.9351%+85000-7887500-1.5808-0.9804%+274.0227-0.0453%-0.0453%

Known prime factors:
No known factors for M83,294,507

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-11-27T18:58:51James Heinrichi7-92063500011112500---5.456--2.954%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-02-04T04:17:23ATHManual testing21263--0.019--
2019-02-04T04:17:23ATHManual testing263264--0.024--
2010-12-01T11:20:00For Researchm1_65264265--0.045--
2012-08-14T06:10:00Carsten KossendeyManual testing265266--0.090--
2013-06-12T19:14:00willmoreManual testing266267--0.179--
2013-06-13T15:13:00willmoreManual testing267268--0.359--
2013-10-13T19:39:00SMoffatManual testing268269--0.718--
2013-10-16T00:16:00SMoffatManual testing269270--1.435--
2014-01-02T20:52:00Numb SkullManual testing270271--2.871--
2014-01-02T20:52:00Numb SkullManual testing271272--5.742--
2014-01-02T20:52:00Numb SkullManual testing272273--11.48--
2014-01-02T20:52:00Numb SkullManual testing273274--22.97--
2014-01-02T20:52:00Numb SkullManual testing274275--45.93--
2014-01-02T20:52:00Numb SkullManual testing275276--91.87--
2014-01-02T20:52:00Numb SkullManual testing276277--183.7--


ECM factoring results:
Exponent "83294507" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2019-04-18T13:57:22ATH5960X13B772DED0C058__259.9


PRP results:
Exponent "83294507" not found


P-1 factor-bounds graph:
B1 = 635000, B2 = 11112500 (stage 2)
B1 = 635000 (stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
263
250
260
270
280
290
2100
Last modified: 2019-04-18T13:57:22+00:00