is 2 24811051 - 1
has 7468871 decimal digits
takes 20.125 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L1F97548840E79302double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274154.200166.2162%28500059850000.70042.6622%154.900567.1156%0.8994%
PrimeNet2660.595262.1212%11000040000000.37864.9725%0.973964.0047%1.8835%
GPU722709.630864.2857%18000050000000.52063.6565%10.151465.5916%1.3059%
Difference+4+144.5693+1.9305%+105000+985000+0.1799-0.9943%+144.7491+1.5240%+1.5240%

Known prime factors:
No known factors for M24811051

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-12-13T00:00:00ANONYMOUSv4_computers2850005985000---0.700--2.662%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-06-03T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-01T00:00:00Ryan Schulzv4_computers21267--1.198--
2016-05-24T15:10:32VictordeHollanderManual testing267268--1.205--
2018-03-05T17:24:46VictordeHollanderManual testing268269--2.409--
2018-08-30T22:16:07ramgeisManual testing269270--4.819--
2021-08-06T14:42:19SRBaseManual testing270271--9.64--
2021-08-30T16:08:32TheJudgerManual testing271272--19.28--
2021-08-30T16:08:33TheJudgerManual testing272273--38.55--
2021-10-01T19:40:50TheJudgerManual testing273274--77.10--


ECM factoring results:
No ECM results for M24811051


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-02-02T00:00:00ANONYMOUSv4_computers1F97548840E7930220.12
2011-01-22T02:43:00lindedD9BM6GJ1-SH1351F97548840E7930220.12


PRP results:
No PRP results for M24811051


P-1 factor-bounds graph:
B1 = 285000, B2 = 5985000 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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107
TF factor-bounds graph:
274
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2100
Last modified: 2021-10-01T19:40:50+00:00