is 2 24832837 - 1
has 7475429 decimal digits
takes 20.142 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LA2EC3985FF0A2131double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274154.064866.2162%26000029900000.48072.2267%154.545566.9685%0.7522%
PrimeNet2660.594762.1212%11000040000000.37864.9730%0.973364.0049%1.8837%
GPU722709.622464.2857%18000050000000.52063.6569%10.142965.5918%1.3060%
Difference+4+144.4424+1.9305%+80000-2010000-0.0398-1.4303%+144.4026+1.3767%+1.3767%

Known prime factors:
No known factors for M24832837

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2005-01-10T00:00:00Stephan Gruppv4_computers2600002990000---0.481--2.227%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-06-09T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-08-04T00:00:00tscv4_computers21267--1.197--
2016-05-24T15:10:40VictordeHollanderManual testing267268--1.204--
2018-03-05T17:24:53VictordeHollanderManual testing268269--2.407--
2018-09-05T21:59:03ramgeisManual testing269270--4.815--
2021-08-05T15:32:18SRBaseManual testing270271--9.63--
2021-08-30T18:06:34TheJudgerManual testing271272--19.26--
2021-08-30T18:06:34TheJudgerManual testing272273--38.52--
2021-10-01T20:05:15TheJudgerManual testing273274--77.04--


ECM factoring results:
No ECM results for M24832837


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-02-12T00:00:00Stephan Gruppv4_computersA2EC3985FF0A213120.14
2011-06-08T16:59:00Stephan GruppnewASDHbayBA2EC3985FF0A213120.14
2015-03-29T23:37:00MadPooManual testingA2EC3985FF0A213120.14


PRP results:
No PRP results for M24832837


P-1 factor-bounds graph:
B1 = 260000, B2 = 2990000 (P-1 stage 2)
B1 = 260000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
267
260
258
250
260
270
280
290
2100
Last modified: 2021-10-01T20:05:15+00:00