is 2 58708547 - 1
has 17673034 decimal digits
takes 130.423 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
Actual27332.582064.3836%540000102600003.44534.0482%36.027465.8254%1.4418%
PrimeNet2692.033662.3188%260000120000002.89795.6358%4.931464.4425%2.1236%
GPU7227332.582064.3836%400000140000003.67534.1417%36.257365.8587%1.4751%
Difference---+140000-3740000-0.2300-0.0935%-0.2300-0.0333%-0.0333%

Known prime factors (1 factor, 76.0 bits, 0.00012953% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
58708547779189477611488567811192376.044663608211604597
7 × 283 × 51577 × 6494881
2012-07-31515776494881509.901.29692.1289

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-07-31T18:25:00Jwb52zClay540000102600002376.0443.445260.86.8914.048%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.04386e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.08773e-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--
2002-10-26T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-12-02T00:00:001997rj7v4_computers21260--0.003--
Missing TF 60 - 61
Missing TF 61 - 62
Missing TF 62 - 63
2008-11-02T01:45:00oodaira01263264--0.033--
2008-11-02T16:15:00Sturle Sundecelair.ifi264265--0.064--
2008-11-03T04:06:00Sturle Sundecelair.ifi265266--0.127--
2008-11-04T20:16:00Sturle Sundecelair.ifi266267--0.255--
2008-11-06T06:55:00Sturle Sundecelair.ifi267268--0.509--
2009-08-24T02:57:00Krussell1vaio268269--1.018--
2011-05-03T18:43:00UngelovendeManual testing269270--2.037--
2012-03-05T12:42:00Kyle AskineManual testing270271--4.073--
2012-05-19T18:53:00BigBrotherManual testing271272--8.146--
2012-05-19T18:53:00BigBrotherManual testing272273--16.29--


ECM factoring results:
No ECM results for M58708547


Lucas-Lehmer results:
No L-L results for M58708547


PRP results:
No PRP results for M58708547


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
269
268
267
266
265
264
260
259
258
257
256
254
253
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260
270
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2100
Last modified: 2012-07-31T18:25:23+00:00