is 2 58849337 - 1
has 17715416 decimal digits
takes 130.735 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
Actual27332.504164.3836%5450005450001.75561.7289%34.259764.9993%0.6158%
PrimeNet2692.028762.3188%260000120000002.89795.6374%4.926664.4431%2.1242%
GPU7227332.504164.3836%400000140000003.67534.1430%36.179465.8591%1.4756%
Difference---+145000-13455000-1.9197-2.4141%-1.9197-0.8598%-0.8598%

Known prime factors (1 factor, 78.2 bits, 0.00013281% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
588493373365203658264493875931672478.1552859168709296159
3 × 13 × 6719 × 32887 × 331777
2012-11-03328873317771,913.60.15840.2156

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-11-03T17:55:00Jwb52zClay5450005450002478.1551.756261.53.5111.729%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.03897e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.07795e-5--
2000-06-23T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-11-02T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-01-07T00:00:001997rj7v4_computers21260--0.003--
Missing TF 60 - 61
Missing TF 61 - 62
Missing TF 62 - 63
2008-11-04T20:37:00Sturle Sundeiago.ifi263264--0.033--
2008-11-06T02:18:00Sturle Sundeiago.ifi264265--0.063--
2008-11-07T00:13:00Sturle Sundeiago.ifi265266--0.127--
2008-11-07T23:36:00Sturle Sundeiago.ifi266267--0.254--
2008-11-08T13:02:00Erik Oppedijk267268--0.508--
2009-06-06T04:04:00Sturle Sundemorovan.ifi268269--1.016--
2011-05-06T02:51:00XyzzyManual testing269270--2.032--
2012-04-09T06:10:00delta_tManual testing270272--12.19--
2012-10-05T22:24:00BigBrotherManual testing272273--16.25--


ECM factoring results:
No ECM results for M58849337


Lucas-Lehmer results:
No L-L results for M58849337


PRP results:
No PRP results for M58849337


P-1 factor-bounds graph:
B1 = 545000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
273
272
270
269
268
267
266
265
264
260
259
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-11-03T17:55:48+00:00