is 2 58066123 - 1
has 17479645 decimal digits
takes 123.068 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L66F089EB3FEFC8DCdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27465.888164.8649%580000124700003.77333.8471%69.661466.2165%1.3517%
PrimeNet2692.056062.3188%260000110000002.59735.5417%4.653364.4070%2.0882%
GPU7227332.942564.3836%400000130000003.33904.0779%36.281565.8360%1.4524%
Difference+1+32.9456+0.4813%+180000-530000+0.4343-0.2308%+33.3799+0.3806%+0.3806%

Known prime factors:
No known factors for M58066123

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-05-03T19:11:00Sebastian HornbostelAcer-NB58000012470000---3.773--3.847%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers21253--2.06648e-5--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.06648e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.13295e-5--
2000-06-11T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-04-28T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-09-09T00:00:00mdrgv4_computers21261--0.005--
2016-02-23T17:05:32Mark RoseManual testing261263--0.022--
2008-10-26T23:00:00jpozsgaHOMEVISTA263264--0.034--
2009-06-07T15:33:00Sturle Sundemorovan.ifi264265--0.064--
2009-06-08T16:18:00ANONYMOUSshr265266--0.129--
2009-06-12T15:40:00James D-Px10266267--0.257--
2009-06-17T02:21:00Tommy BoucherSidney267268--0.515--
2011-05-02T05:23:00Zet_kormeganet_7500268269--1.030--
2011-06-28T11:51:00JeffColeSecond269270--2.059--
2011-09-28T15:12:00GrunwalderGIMPcompute-0-4270271--4.118--
2012-04-13T23:41:00Craig MeyersManual testing271272--8.236--
2012-08-13T22:43:00bcp19Manual testing272273--16.47--
2019-01-17T21:37:17Aaron HavilandManual testing273274--32.95--


ECM factoring results:
No ECM results for M58066123


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2013-08-24T17:30:00QuintLeoAthlon4850e66F089EB3FEFC8DC123.1
2020-08-23T07:36:21dmbeeson66F089EB3FEFC8DC123.1


PRP results:
No PRP results for M58066123


P-1 factor-bounds graph:
B1 = 580000, B2 = 12470000 (P-1 stage 2)
B1 = 580000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-08-23T07:36:21+00:00