is 2 65699873 - 1
has 19777633 decimal digits
takes 159.368 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
Actual27458.232564.8649%5800005800002.04001.6074%60.272565.4296%0.5648%
PrimeNet2703.637062.8571%280000130000003.42245.3061%7.059464.8280%1.9708%
GPU7227458.232564.8649%450000150000004.37103.9188%62.603466.2417%1.3769%
Difference---+130000-14420000-2.3310-2.3114%-2.3310-0.8121%-0.8121%

Known prime factors (1 factor, 94.7 bits, 0.00014420% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
65699873330158717610969511395897598312994.737251262827868000225355
5 × 13 × 691 × 941 × 6449 × 8663 × 106411
2013-08-028663106411103,822,0060.04920.0620

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-02T23:27:00Jwb52zClay5800005800002994.7372.040318.74.0801.607%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-11-16T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-07-13T00:00:001997rj7v4_computers21260--0.002--
2022-03-30T15:47:25LordJuliusManual testing260263--0.022--
2009-01-20T06:46:00Wojciech FlorekManual testing263264--0.030--
2010-01-19T07:46:00ANONYMOUS264265--0.057--
2010-01-20T05:00:00GrunwalderGIMPcompute-0-9265266--0.114--
2010-01-21T06:18:00Sturle Sundefoster.ifi266267--0.227--
2010-01-23T15:27:00The Treachersg0ods_RRS_Athlon267268--0.455--
2010-01-30T12:12:00ANONYMOUS268269--0.910--
2012-01-23T11:28:00GrunwalderGIMPcompute-head269270--1.820--
2013-06-01T17:10:00TheJudgerManual testing270271--3.640--
2013-06-01T17:10:00TheJudgerManual testing271272--7.279--
2013-06-01T17:10:00TheJudgerManual testing272273--14.56--
2013-07-24T22:42:00Jerry HallettManual testing273274--29.12--


ECM factoring results:
No ECM results for M65699873


Lucas-Lehmer results:
No L-L results for M65699873


PRP results:
No PRP results for M65699873


P-1 factor-bounds graph:
B1 = 580000 (P-1 stage 1)
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106
TF factor-bounds graph:
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Last modified: 2022-03-30T15:47:25+00:00