is 2 87297169 - 1
has 26279067 decimal digits
takes 294.305 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276175.309264.4737%705000132187506.77913.4502%182.088365.6994%1.2257%
PrimeNet2715.476461.9718%360000170000006.19165.3985%11.668064.0248%2.0529%
GPU7227587.653664.0000%550000200000007.86883.9955%95.522365.4384%1.4384%
Difference+1+87.6556+0.4737%+155000-6781250-1.0896-0.5453%+86.5659+0.2610%+0.2610%

Known prime factors (2 factors, 184.8 bits, 0.00021167% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
87297169385862721608746635700342332684.996221005289191420764
22 × 33 × 79 × 293 × 48859 × 1809421
2018-04-2748859180942176,5870.70770.9001
8729716910909267956339252274958643823693199.7836248351510883046089936
24 × 32 × 17 × 317 × 17903 × 72223 × 6227209
2018-04-277222362272092.088e+91.99233.0976

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
8729716942094798243921532482960513482130070610271580522731
637977
56184.780
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-04-27T05:57:07mikrS0587050001321875056184.7806.779588.613.563.450%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-17T17:40:00Architects Cubedm1_65264265--0.043--
2013-03-04T02:52:00SMoffatManual testing265266--0.086--
2013-03-04T19:14:00Hagrid Mandrake266267--0.171--
2013-03-07T10:16:00Charles A. Morrischandra267268--0.342--
2013-08-22T19:03:00PascalBieriManual testing268269--0.685--
2013-08-24T08:59:00PascalBieriManual testing269270--1.370--
2015-08-08T10:48:00monstManual testing270271--2.739--
2017-05-17T08:00:07Strolling JellyfishManual testing271272--5.478--
2017-05-17T08:00:07Strolling JellyfishManual testing272273--10.96--
2017-06-12T12:50:47ANONYMOUSManual testing273274--21.91--
2018-03-30T08:16:08Brian BeuningManual testing274275--43.83--
2018-04-03T16:33:54TheJudgerManual testing275276--87.66--


ECM factoring results:
No ECM results for M87297169


Lucas-Lehmer results:
No L-L results for M87297169


PRP results:
No PRP results for M87297169


P-1 factor-bounds graph:
B1 = 705000, B2 = 13218750 (P-1 stage 2)
B1 = 705000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
Last modified: 2018-04-27T05:57:07+00:00