is 2 24930817 - 1
has 7504924 decimal digits
takes 21.364 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LDDFEB560C73C7E84double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275306.925766.6667%25500026775000.48091.9290%307.406667.3097%0.6430%
PrimeNet2660.592462.1212%11000040000000.40004.9757%0.992464.0059%1.8847%
GPU722709.584564.2857%18000050000000.55003.6589%10.134565.5925%1.3067%
Difference+5+297.3412+2.3810%+75000-2322500-0.0691-1.7299%+297.2720+1.7172%-0.6637%

Known prime factors:
No known factors for M24930817

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2005-10-18T00:00:00Ken Warnerv4_computers2550002677500---0.481--1.929%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-24T00:00:00Mattv4_computers21258--0.002--
2003-08-25T00:00:00Net_Forcev4_computers21260--0.006--
2004-09-02T00:00:00ANONYMOUSv4_computers21267--1.192--
2005-05-28T00:00:00ANONYMOUSv4_computers21267--1.192--
2016-06-03T12:22:58VictordeHollanderManual testing267268--1.199--
2018-03-05T17:25:26VictordeHollanderManual testing268269--2.398--
2018-08-30T22:15:44ramgeisManual testing269270--4.796--
2021-08-07T06:08:00SRBaseManual testing270271--9.59--
2021-08-30T15:59:34TheJudgerManual testing271272--19.18--
2021-08-30T15:59:34TheJudgerManual testing272273--38.37--
2021-09-19T17:33:08TheJudgerManual testing273274--76.73--
2021-10-19T16:38:19TheJudgerManual testing274275--153.5--


ECM factoring results:
No ECM results for M24930817


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-11-01T00:00:00Ken Warnerv4_computersDDFEB560C73C7E8421.36
2010-09-23T14:22:00RMAC9.5AMD_64_X4_940DDFEB560C73C7E8421.36


PRP results:
No PRP results for M24930817


P-1 factor-bounds graph:
B1 = 255000, B2 = 2677500 (P-1 stage 2)
B1 = 255000 (P-1 stage 1)
104
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106
104
105
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107
TF factor-bounds graph:
275
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272
271
270
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268
267
260
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260
270
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2100
Last modified: 2021-10-19T16:38:19+00:00