is 2 25169059 - 1
has 7576642 decimal digits
takes 21.568 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LBC0CC506D4CEC274double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual274152.006766.2162%29500073750000.84592.8079%152.852667.1648%0.9486%
PrimeNet2660.586862.1212%11000040000000.40004.9820%0.986864.0083%1.8871%
GPU722709.493864.2857%18000055000000.58383.7360%10.077665.6200%1.3343%
Difference+4+142.5129+1.9305%+115000+1875000+0.2620-0.9281%+142.7749+1.5448%+1.5448%

Known prime factors:
No known factors for M25169059

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-12-13T00:00:00ANONYMOUSv4_computers2950007375000---0.846--2.808%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-12T00:00:00Net_Forcev4_computers21256--0.000--
2001-08-24T00:00:00Mattv4_computers21258--0.002--
2003-12-13T00:00:00markrv4_computers21262--0.024--
2016-02-23T16:39:29Mark RoseManual testing262264--0.117--
2016-03-27T13:00:08Mark RoseManual testing264266--0.445--
2016-03-27T13:00:08Mark RoseManual testing266267--0.594--
2016-01-04T21:25:59VictordeHollanderManual testing267268--1.188--
2017-06-12T02:12:09ramgeisManual testing268269--2.375--
2017-06-12T02:12:09ramgeisManual testing269270--4.750--
2021-06-07T19:30:18mikrManual testing270271--9.50--
2021-08-28T19:16:02TheJudgerManual testing271272--19.00--
2021-08-28T19:16:02TheJudgerManual testing272273--38.00--
2021-09-13T17:00:21TheJudgerManual testing273274--76.01--


ECM factoring results:
No ECM results for M25169059


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2005-01-10T00:00:00ANONYMOUSv4_computersBC0CC506D4CEC27421.57
2011-04-24T18:17:00Michael HanschowsflobenstockBC0CC506D4CEC27421.57


PRP results:
No PRP results for M25169059


P-1 factor-bounds graph:
B1 = 295000, B2 = 7375000 (P-1 stage 2)
B1 = 295000 (P-1 stage 1)
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107
TF factor-bounds graph:
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2100
Last modified: 2021-09-13T17:00:21+00:00