is 2 24543119 - 1
has 7388216 decimal digits
takes 19.907 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L3C95F6656C3F04E0double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27377.938165.7534%29000071775000.78243.0853%78.720566.8101%1.0566%
PrimeNet2660.601762.1212%11000040000000.37864.9652%0.980464.0020%1.8808%
GPU722709.736064.2857%17000050000000.50943.6184%10.245465.5780%1.2923%
Difference+3+68.2022+1.4677%+120000+2177500+0.2730-0.5330%+68.4751+1.2321%+1.2321%

Known prime factors:
No known factors for M24543119

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-11-22T00:00:00David J. Stuckiv4_computers2900007177500---0.782--3.085%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-01T00:00:00Mattv4_computers21258--0.002--
2003-08-08T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-16T00:00:00Uwe Falckv4_computers21267--1.211--
2016-05-24T15:08:54VictordeHollanderManual testing267268--1.218--
2018-02-24T20:15:27VictordeHollanderManual testing268269--2.436--
2018-09-13T12:14:15ramgeisManual testing269270--4.872--
2021-08-05T15:18:57SRBaseManual testing270271--9.74--
2021-08-30T17:16:19TheJudgerManual testing271272--19.49--
2021-08-30T17:16:19TheJudgerManual testing272273--38.97--


ECM factoring results:
No ECM results for M24543119


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-12-13T00:00:00David J. Stuckiv4_computers3C95F6656C3F04E019.91
2010-10-18T16:53:001997rj7Manual testing3C95F6656C3F04E019.91


PRP results:
No PRP results for M24543119


P-1 factor-bounds graph:
B1 = 290000, B2 = 7177500 (P-1 stage 2)
B1 = 290000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-30T17:16:19+00:00