is 2 24487483 - 1
has 7371467 decimal digits
takes 19.862 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L7B3A7160626C337Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275312.482466.6667%27500043312500.58332.1976%313.065867.3992%0.7325%
PrimeNet2660.603162.1212%11000040000000.37864.9637%0.981764.0014%1.8802%
GPU722709.758164.2857%17000050000000.50943.6172%10.267565.5776%1.2919%
Difference+5+302.7244+2.3810%+105000-668750+0.0739-1.4197%+302.7983+1.8216%+1.8216%

Known prime factors:
No known factors for M24487483

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-09-02T00:00:00ANONYMOUSv4_computers2750004331250---0.583--2.198%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-01T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-26T00:00:00ANONYMOUSv4_computers21261--0.013--
2004-04-20T00:00:00oerwinv4_computers21266--0.603--
2004-04-20T00:00:00ANONYMOUSv4_computers21267--1.213--
2004-06-04T00:00:00ANONYMOUSv4_computers21267--1.213--
2004-11-22T00:00:00ANONYMOUSv4_computers21267--1.213--
2004-02-14T00:00:00Jan Kuipersv4_computers21267--1.213--
2016-05-24T15:08:35VictordeHollanderManual testing267268--1.221--
2018-02-14T22:29:49VictordeHollanderManual testing268269--2.441--
2018-09-18T10:53:17ramgeisManual testing269270--4.883--
2021-08-05T15:12:33SRBaseManual testing270271--9.77--
2021-08-30T17:41:47TheJudgerManual testing271272--19.53--
2021-08-30T17:41:47TheJudgerManual testing272273--39.06--
2021-10-01T19:57:08TheJudgerManual testing273274--78.12--
2021-10-22T16:52:31TheJudgerManual testing274275--156.2--


ECM factoring results:
No ECM results for M24487483


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-10-03T00:00:00ANONYMOUSv4_computers7B3A7160626C337E19.86
2010-07-14T20:39:00GrunwalderGIMPcompute-0-07B3A7160626C337E19.86


PRP results:
No PRP results for M24487483


P-1 factor-bounds graph:
B1 = 275000, B2 = 4331250 (P-1 stage 2)
B1 = 275000 (P-1 stage 1)
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107
TF factor-bounds graph:
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Last modified: 2021-10-22T16:52:31+00:00