is 2 58476683 - 1
has 17603236 decimal digits
takes 123.938 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
Actual27332.711264.3836%540000102600003.28704.0463%35.998265.8247%1.4411%
PrimeNet2692.041662.3188%260000110000002.59735.5465%4.638964.4088%2.0900%
GPU7227332.711264.3836%400000130000003.33904.0815%36.050265.8373%1.4537%
Difference---+140000-2740000-0.0520-0.0352%-0.0520-0.0126%-0.0126%

Known prime factors (1 factor, 99.6 bits, 0.00017033% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
584766839644506702655725176901654789513099.6068246455003830950172825
3 × 52 × 13 × 23 × 431 × 4877 × 85627 × 2043121
2012-10-278562720431212.292e+90.59090.6389

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-10-27T06:46:00Jwb52zClay540000102600003099.6063.287247.96.5744.046%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.05197e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.10394e-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--
2002-09-29T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-11-28T00:00:00ANONYMOUSv4_computers21261--0.005--
Missing TF 61 - 62
Missing TF 62 - 63
2008-11-04T09:23:00cameloidphi-phi263264--0.034--
2008-11-05T00:02:00Stefan MuthCore_2_Quad264265--0.064--
2008-11-05T15:12:00Stefan MuthCore_2_Quad265266--0.128--
2008-11-06T07:41:00Stefan MuthCore_2_Quad266267--0.256--
2009-06-05T13:28:00Gymnasium_Raublingd4267268--0.511--
2011-11-23T09:02:00rduerrManual testing268270--3.067--
2012-04-10T09:02:00MikeBerlinManual testing270271--4.089--
2012-04-10T15:43:00MikeBerlinManual testing271272--8.179--
2012-10-01T23:52:00Kyle AskineManual testing272273--16.36--


ECM factoring results:
No ECM results for M58476683


Lucas-Lehmer results:
No L-L results for M58476683


PRP results:
No PRP results for M58476683


P-1 factor-bounds graph:
B1 = 540000, B2 = 10260000 (P-1 stage 2)
B1 = 540000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
268
267
266
265
264
261
259
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-10-27T06:46:47+00:00