is 2 24671377 - 1
has 7426825 decimal digits
takes 20.011 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE4562B7152FE8579double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274155.073166.2162%28500061275000.70962.6741%155.782667.1196%0.9034%
PrimeNet2660.598662.1212%11000040000000.37864.9687%0.977264.0033%1.8821%
GPU722709.685364.2857%17000050000000.50943.6209%10.194865.5789%1.2932%
Difference+4+145.3877+1.9305%+115000+1127500+0.2001-0.9469%+145.5878+1.5407%+1.5407%

Known prime factors:
No known factors for M24671377

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-09-02T00:00:00David J. Stuckiv4_computers2850006127500---0.710--2.674%
2004-09-14T00:00:00David J. Stuckiv4_computers2850006127500---0.710--2.674%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-16T00:00:00Net_Forcev4_computers21256--0.000--
2001-12-22T00:00:00Mattv4_computers21258--0.002--
2003-08-31T00:00:00Net_Forcev4_computers21260--0.006--
2004-03-16T00:00:00Team Prime Ribv4_computers21267--1.204--
2008-08-07T00:00:00Team Prime Ribv4_computers21267--1.204--
2016-05-24T15:09:39VictordeHollanderManual testing267268--1.212--
2018-02-24T20:16:10VictordeHollanderManual testing268269--2.423--
2018-09-05T21:59:34ramgeisManual testing269270--4.846--
2021-08-05T15:57:10SRBaseManual testing270271--9.69--
2021-08-30T15:55:17TheJudgerManual testing271272--19.39--
2021-08-30T15:55:17TheJudgerManual testing272273--38.77--
2021-09-13T17:00:08TheJudgerManual testing273274--77.54--


ECM factoring results:
No ECM results for M24671377


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-10-03T00:00:00David J. Stuckiv4_computersE4562B7152FE857920.01
2010-07-29T04:24:00CommasterCore-i7E4562B7152FE857920.01


PRP results:
No PRP results for M24671377


P-1 factor-bounds graph:
B1 = 285000, B2 = 6127500 (P-1 stage 2)
B1 = 285000 (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
256
250
260
270
280
290
2100
Last modified: 2021-09-13T17:00:08+00:00