is 2 58135061 - 1
has 17500398 decimal digits
takes 123.214 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L17C3E780B6307F6Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27465.810064.8649%1000000200000006.25454.4942%72.064466.4439%1.5790%
PrimeNet2692.053662.3188%260000110000002.59735.5425%4.650964.4073%2.0885%
GPU7227332.903564.3836%400000130000003.33904.0785%36.242465.8362%1.4526%
Difference+1+32.9065+0.4813%+600000+7000000+2.9155+0.4157%+35.8220+0.6077%+0.6077%

Known prime factors:
No known factors for M58135061

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-03-28T20:59:00curtiscgrn201--00l715000715000---2.197--1.727%
2018-09-01T13:14:05Sid & AndyPterodactyl1000000200000006---6.254--4.494%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers21253--2.06403e-5--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.06403e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.12805e-5--
2000-06-26T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-28T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-05-05T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-11-16T00:00:00ANONYMOUSv4_computers21261--0.005--
2016-02-23T17:05:33Mark RoseManual testing261263--0.022--
2008-10-27T17:13:00David Campeau263264--0.034--
2008-10-29T11:27:00MarzbugLaptop264265--0.064--
2008-10-31T18:30:00MarzbugLaptop265266--0.129--
2008-11-07T13:00:00MarzbugLaptop266267--0.257--
2009-07-01T14:13:00ANONYMOUS267268--0.514--
2011-05-12T08:18:00Åke TilanderPC51-113-12268269--1.028--
2011-06-24T00:34:00EMordashovWork269270--2.057--
2011-10-08T18:51:00mmmmmdonutsManual testing270271--4.113--
2011-10-08T18:51:00mmmmmdonutsManual testing271272--8.227--
2015-06-13T09:32:00monstManual testing272273--16.45--
2018-08-01T11:50:11Mark RoseManual testing273274--32.91--


ECM factoring results:
No ECM results for M58135061


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2012-05-07T05:51:00curtiscgrn201--00l17C3E780B6307F6D123.2
2021-06-27T16:06:26GerardCBlaisGenevieve17C3E780B6307F6D123.2


PRP results:
No PRP results for M58135061


P-1 factor-bounds graph:
B1 = 1000000, B2 = 20000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 715000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-06-27T16:06:26+00:00