is 2 58348951 - 1
has 17564785 decimal digits
takes 123.667 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
Actual27332.782864.3836%5350005350001.64421.7129%34.427064.9936%0.6101%
PrimeNet2692.046162.3188%260000110000002.59735.5450%4.643464.4083%2.0894%
GPU7227332.782864.3836%400000130000003.33904.0804%36.121865.8369%1.4533%
Difference---+135000-12465000-1.6948-2.3675%-1.6948-0.8432%-0.8432%

Known prime factors (1 factor, 97.2 bits, 0.00016654% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
583489511790681775828904639868427863113097.1761534459270595031468405
32 × 5 × 19 × 47 × 53 × 2932 × 653 × 1061 × 12113
2012-10-208584985849919,735,9880.26380.5369

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-10-20T03:21:00Jwb52zClay5350005350003097.1761.644247.33.2881.713%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.05646e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.11292e-5--
2000-06-28T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-09-22T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-12-02T00:00:00ANONYMOUSv4_computers21261--0.005--
2003-12-13T00:00:00ANONYMOUSv4_computers21261--0.005--
2008-11-18T00:00:00ANONYMOUSv4_computers264265--0.064--
2008-11-18T00:00:00ANONYMOUSv4_computers265266--0.128--
2008-11-18T00:00:00ANONYMOUSv4_computers266267--0.256--
2008-11-18T00:00:00ANONYMOUSv4_computers267268--0.512--
2008-11-17T18:16:00ANONYMOUSv4_computers21269--2.046--
2008-11-18T00:00:00ANONYMOUSv4_computers268269--1.025--
2011-07-02T00:18:00TheJudgerManual testing269270--2.049--
2011-10-20T23:11:00rlakeManual testing270271--4.098--
2012-07-17T14:48:00XyzzyManual testing271272--8.196--
2012-09-24T15:09:00Tom DuellManual testing272273--16.39--


ECM factoring results:
No ECM results for M58348951


Lucas-Lehmer results:
No L-L results for M58348951


PRP results:
No PRP results for M58348951


P-1 factor-bounds graph:
B1 = 535000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
261
259
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-10-20T03:21:09+00:00