is 2 57731417 - 1
has 17378889 decimal digits
takes 122.359 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
Actual27333.133564.3836%5300005300001.62881.7032%34.762364.9902%0.6066%
PrimeNet2692.068062.3188%260000110000002.59735.5377%4.665364.4055%2.0867%
GPU7227333.133564.3836%400000130000003.33904.0749%36.472565.8349%1.4514%
Difference---+130000-12470000-1.7102-2.3718%-1.7102-0.8447%-0.8447%

Known prime factors (1 factor, 80.1 bits, 0.00013880% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5773141713226458483759593355623592580.13011455165290468787
211 × 11437 × 28729 × 165229
2012-09-22287291652298,379.20.11110.1797

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-09-22T06:16:00Jwb52zClay5300005300002580.1301.629244.73.2581.703%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.07846e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.15692e-5--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-07-03T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-30T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-12-02T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-09-21T00:00:00Team Prime Ribv4_computers21260--0.003--
Missing TF 60 - 61
Missing TF 61 - 62
Missing TF 62 - 63
2009-01-10T11:52:00Sturle Sundevancraft.ifi263264--0.034--
2009-01-10T16:55:00ANONYMOUS264265--0.065--
2009-01-16T07:24:00Marvgideon265266--0.129--
2009-01-22T06:20:00Marvgideon266267--0.259--
2009-05-30T00:55:00Sturle Sundefungo.ifi267268--0.518--
2011-04-26T08:19:00Paul LeylandManual testing268269--1.036--
2011-06-18T06:32:00GrunwalderGIMPcompute-0-0269270--2.071--
2011-10-07T21:11:00XyzzyManual testing270271--4.142--
2012-06-11T21:55:00Son JohanManual testing271272--8.284--
2012-09-01T08:01:00Craig MeyersManual testing272273--16.57--


ECM factoring results:
No ECM results for M57731417


Lucas-Lehmer results:
No L-L results for M57731417


PRP results:
No PRP results for M57731417


P-1 factor-bounds graph:
B1 = 530000 (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
264
260
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-09-22T06:16:47+00:00