is 2 58135141 - 1
has 17500422 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-LA007815ADBF0DE9Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27465.809964.8649%56000096600003.24473.6349%69.054566.1420%1.2771%
PrimeNet2692.053662.3188%260000110000002.59735.5425%4.650964.4073%2.0885%
GPU7227332.903464.3836%400000130000003.33904.0785%36.242465.8362%1.4526%
Difference+1+32.9065+0.4813%+160000-3340000-0.0943-0.4436%+32.8121+0.3058%+0.3058%

Known prime factors:
No known factors for M58135141

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-02-10T00:26:00curtiscwcm222--01s5600009660000---3.245--3.635%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers21253--2.06402e-5--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.06402e-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--
2008-10-28T00:27:00Sturle Sundegiovanni.ifi263264--0.034--
2008-10-28T21:22:00Sturle Sundegiovanni.ifi264265--0.064--
2008-10-29T06:06:00Sturle Sundegiovanni.ifi265266--0.129--
2008-10-30T03:40:00Sturle Sundegiovanni.ifi266267--0.257--
2009-06-02T04:35:00ANONYMOUSDmitry267268--0.514--
2011-04-28T12:33:00Gnorfe_k_kontor268269--1.028--
2011-07-22T17:20:00C. Karstensav-xp269270--2.057--
2011-10-01T19:37:00mmmmmdonutsManual testing270271--4.113--
2011-10-01T19:37:00mmmmmdonutsManual testing271272--8.227--
2015-06-13T09:32:00monstManual testing272273--16.45--
2018-12-16T05:45:05ChuckManual testing273274--32.91--


ECM factoring results:
No ECM results for M58135141


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2012-05-03T17:30:00curtiscwcm222--01sA007815ADBF0DE9C123.2
2021-07-17T10:09:10-Anonymous-A007815ADBF0DE9C123.2


PRP results:
No PRP results for M58135141


P-1 factor-bounds graph:
B1 = 560000, B2 = 9660000 (P-1 stage 2)
B1 = 560000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-07-17T10:09:10+00:00