is 2 24434387 - 1
has 7355484 decimal digits
takes 19.819 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LC08471F632E56B42double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275313.161566.6667%28500060562500.70502.3895%313.866567.4632%0.7965%
PrimeNet2660.604462.1212%11000040000000.37864.9623%0.983064.0009%1.8796%
GPU722709.779364.2857%17000050000000.50943.6162%10.288765.5772%1.2915%
Difference+5+303.3822+2.3810%+115000+1056250+0.1956-1.2267%+303.5778+1.8860%+1.8860%

Known prime factors:
No known factors for M24434387

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-07-26T00:00:00ANONYMOUSv4_computers2850006056250---0.705--2.390%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-01T00:00:00Mattv4_computers21258--0.002--
2003-08-08T00:00:00Net_Forcev4_computers21260--0.006--
2004-02-07T00:00:00ANONYMOUSv4_computers21267--1.216--
2016-05-24T15:08:15VictordeHollanderManual testing267268--1.223--
2018-02-12T00:46:22VictordeHollanderManual testing268269--2.447--
2018-09-18T10:53:32ramgeisManual testing269270--4.893--
2021-08-05T15:20:02SRBaseManual testing270271--9.79--
2021-08-30T16:16:40TheJudgerManual testing271272--19.57--
2021-08-30T16:16:40TheJudgerManual testing272273--39.15--
2021-10-01T19:53:19TheJudgerManual testing273274--78.29--
2021-10-22T16:53:52TheJudgerManual testing274275--156.6--


ECM factoring results:
No ECM results for M24434387


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-08-20T00:00:00ANONYMOUSv4_computersC08471F632E56B4219.82
2011-01-01T22:15:00ANONYMOUSC08471F632E56B4219.82


PRP results:
No PRP results for M24434387


P-1 factor-bounds graph:
B1 = 285000, B2 = 6056250 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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107
TF factor-bounds graph:
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2100
Last modified: 2021-10-22T16:53:52+00:00