is 2 24553699 - 1
has 7391400 decimal digits
takes 19.916 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L8793A96594288095double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27377.904565.7534%24000018000000.38222.1516%78.286866.4903%0.7369%
PrimeNet2660.601562.1212%11000040000000.37864.9655%0.980164.0021%1.8809%
GPU722709.731864.2857%17000050000000.50943.6186%10.241265.5781%1.2924%
Difference+3+68.1728+1.4677%+70000-3200000-0.1272-1.4670%+68.0456+0.9122%+0.9122%

Known prime factors:
No known factors for M24553699

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-05-25T00:00:00ANONYMOUSv4_computers2400001800000---0.382--2.152%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-08T00:00:00Mattv4_computers21258--0.002--
2003-08-08T00:00:00Net_Forcev4_computers21260--0.006--
2004-02-14T00:00:00Team Prime Ribv4_computers21267--1.210--
2016-05-24T15:08:56VictordeHollanderManual testing267268--1.217--
2018-02-24T20:15:31VictordeHollanderManual testing268269--2.435--
2018-09-13T12:14:13ramgeisManual testing269270--4.869--
2021-08-05T15:14:17SRBaseManual testing270271--9.74--
2021-08-30T17:16:19TheJudgerManual testing271272--19.48--
2021-08-30T17:16:19TheJudgerManual testing272273--38.96--


ECM factoring results:
No ECM results for M24553699


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-01-10T00:00:00Grey Smithv4_computers8793A9659428809519.92
2011-02-09T13:00:00Fred Cirera8793A9659428809519.92


PRP results:
No PRP results for M24553699


P-1 factor-bounds graph:
B1 = 240000, B2 = 1800000 (P-1 stage 2)
B1 = 240000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
273
272
271
270
269
268
267
260
258
256
250
260
270
280
290
2100
Last modified: 2021-08-30T17:16:19+00:00