is 2 65699969 - 1
has 19777662 decimal digits
takes 159.368 GHz-days to do one PRP test
Last-known PrimeNet details:
Assigned as ll_dc on 2022-07-02, 0.0% done, ETC 2022-07-10
1 primality tests remaining
ResidueStatus
L-LD1BD395D8DED0D__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275116.467565.3333%675000158625005.28453.7896%121.752066.6471%1.3137%
PrimeNet2703.637062.8571%280000130000003.42245.3061%7.059464.8280%1.9708%
GPU7227458.232464.8649%450000150000004.37103.9188%62.603466.2417%1.3769%
Difference+1+58.2351+0.4685%+225000+862500+0.9135-0.1292%+59.1486+0.4053%+0.4053%

Known prime factors:
No known factors for M65699969

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-02-02T16:45:00TheJudgerManual testing67500015862500---5.285--3.790%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-11-16T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-07-13T00:00:001997rj7v4_computers21260--0.002--
2016-03-28T13:00:46Mark RoseManual testing260263--0.022--
2009-01-20T06:46:00Wojciech FlorekManual testing263264--0.030--
2010-01-19T08:18:00ANONYMOUS264265--0.057--
2010-01-19T17:41:00curtiscjckl-cca61l265266--0.114--
2010-01-23T23:33:00greg_plonkanew_laptop266267--0.227--
2010-01-24T10:09:00Chris BaileyDad-Room267268--0.455--
2010-01-28T05:58:00ANONYMOUScreehanxp268269--0.910--
2012-01-23T07:07:00GrunwalderGIMPcompute-head269270--1.820--
2012-06-22T16:39:00symalladold_laptop270271--3.640--
2014-01-01T16:28:00bayanneManual testing271272--7.279--
2014-04-24T10:50:00ChuckManual testing272273--14.56--
2014-11-05T01:57:00Tim SorberaManual testing273274--29.12--
2021-08-09T15:12:17tottenhoffManual testing274275--58.24--


ECM factoring results:
No ECM results for M65699969


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-01-30T02:25:00Brian Guestwork_VMD1BD395D8DED0D__159.4


PRP results:
No PRP results for M65699969


P-1 factor-bounds graph:
B1 = 675000, B2 = 15862500 (P-1 stage 2)
B1 = 675000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-08-11T23:10:05+00:00