is 2 24850337 - 1
has 7480697 decimal digits
takes 20.156 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L9AB50DF515EE628Bdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275307.919766.6667%29500074487500.80532.5229%308.725167.5076%0.8410%
PrimeNet2660.594362.1212%11000040000000.37864.9735%0.972964.0051%1.8839%
GPU722709.615664.2857%18000050000000.52063.6573%10.136165.5919%1.3062%
Difference+5+298.3041+2.3810%+115000+2448750+0.2848-1.1344%+298.5889+1.9157%+1.9157%

Known prime factors:
No known factors for M24850337

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-07-13T00:00:00ANONYMOUSv4_computers2950007448750---0.805--2.523%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-18T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-08T00:00:00Glennv4_computers21267--1.196--
2016-06-03T12:22:29VictordeHollanderManual testing267268--1.203--
2018-03-05T17:25:00VictordeHollanderManual testing268269--2.406--
2018-08-30T22:16:18ramgeisManual testing269270--4.811--
2021-08-06T14:55:52SRBaseManual testing270271--9.62--
2021-08-30T16:19:55TheJudgerManual testing271272--19.25--
2021-08-30T16:19:55TheJudgerManual testing272273--38.49--
2021-10-01T19:39:32TheJudgerManual testing273274--76.98--
2021-10-19T16:36:27TheJudgerManual testing274275--154.0--


ECM factoring results:
No ECM results for M24850337


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-07-26T00:00:00ANONYMOUSv4_computers9AB50DF515EE628B20.16
2010-09-02T12:27:00dswansonv4_computers9AB50DF515EE628B20.16
2010-10-02T00:00:00dswansonv4_computers9AB50DF515EE628B20.16


PRP results:
No PRP results for M24850337


P-1 factor-bounds graph:
B1 = 295000, B2 = 7448750 (P-1 stage 2)
B1 = 295000 (P-1 stage 1)
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TF factor-bounds graph:
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2100
Last modified: 2021-10-19T16:36:27+00:00