is 2 2404169 - 1
has 723727 decimal digits
takes 0.162 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L5F5673CB73814369double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27099.390168.5714%3102822434395080.51925.7706%99.909370.3850%1.8136%
PrimeNet2590.031962.7119%100001700000.00182.4804%0.033863.6368%0.9249%
GPU722630.663965.0794%100001400000.00171.2753%0.665565.5247%0.4453%
Difference+7+98.7263+3.4921%+3092822+43299508+0.5175+4.4953%+99.2438+4.8603%+1.3683%

Known prime factors:
No known factors for M2404169

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-10-08T00:00:00ANONYMOUSv4_computers2048204800---0.001--0.150%
2010-11-08T22:12:00Jocelyn LaroucheManual testing1500015000---0.001--0.140%
2010-11-16T23:08:00Jocelyn LaroucheManual testing2000020000---0.002--0.183%
2010-12-22T15:18:00markrtiny950001923750---0.019--1.849%
2014-02-23T12:43:00mikrMSI310282243439508---0.519--5.771%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-03-01T00:00:00ANONYMOUSv4_computers21259--0.032--
2016-02-23T16:29:13Mark RoseManual testing259260--0.032--
2009-01-14T14:37:00Sturle Sundegigotte.ifi260261--0.064--
2012-06-03T12:42:00Sebastian HornbostelManual testing261262--0.128--
2013-12-04T21:14:00Jerry HallettManual testing262263--0.408--
2015-02-27T20:40:00VictordeHollanderManual testing263264--0.817--
2015-02-27T20:40:00VictordeHollanderManual testing264265--1.554--
2015-10-21T10:28:04ramgeisManual testing265266--3.108--
2017-06-29T16:14:23Gordon SpenceManual testing266267--6.216--
2019-02-01T09:15:09Anton RepkoManual testing267269--37.30--
2019-02-06T04:29:31YxinityManual testing269270--49.73--


ECM factoring results:
Total ECM effort:15.848 GHz-days
Estimated T-Level:23.150
DigitsB1CompleteFacMiss
20110006.8040.111%
25500000.63053.259%
302500000.04096.101%
3510000000.00299.814%


ECM Summary

B1B2factorcurvesGHz-days
50000440000070.592
50000500000014813.18
50000520000070.634
50000675000070.715
50000705000070.730


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-03-15T00:00:00ANONYMOUSv4_computers5F5673CB738143690.162


PRP results:
No PRP results for M2404169


P-1 factor-bounds graph:
B1 = 3102822, B2 = 43439508 (P-1 stage 2)
B1 = 3102822 (P-1 stage 1)
B1 = 95000, B2 = 1923750 (P-1 stage 2)
B1 = 95000 (P-1 stage 1)
B1 = 20000 (P-1 stage 1)
B1 = 15000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-07-26T11:24:02+00:00