is 2428899-1
has 129,112 decimal digits
takes 0.005 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L0F3659F959BB5E5Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2633.721269.8413%25,000,0001,000,000,0001.334114.7413%5.055384.5826%32.0826%
PrimeNet2400.000052.5000%4,500140,0000.000218.0582%0.000270.5582%18.0582%
GPU722440.000056.8182%7,000220,0000.000313.1849%0.000370.0031%13.1849%
Difference+19+3.7212+13.0231%+24,993,000+999,780,000+1.3338+1.5564%+5.0550+14.5795%+14.5795%

Known prime factors (1 factor, 146.5 bits, 0.03415447% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
42889912512124365350610864082702180387858497725688945146.488145863296083117597197506897665742499956
22 × 73 × 83 × 3571 × 3923 × 12583 × 13513 × 37691 × 84307 × 795132769
84,307795,132,7692013-01-093.711e+110.74121.3818

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-12-22T00:00:00ANONYMOUSv4_computers2,000200,000---0.000--0.400%
2001-12-22T00:00:00ANONYMOUSv4_computers50,0001,000,000---0.002--2.481%
2002-06-23T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.004--2.909%
2002-08-31T00:00:00ANONYMOUSv4_computers65,5366,553,600---0.007--3.931%
2003-04-03T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.014--5.083%
2010-08-04T18:03:00Rob_Deetwopc500,0001,000,000---0.009--3.293%
2010-08-05T19:21:00Rob_Deetwopc1,000,0002,000,000---0.018--4.170%
2012-05-29T00:09:00Jocelyn LaroucheManual testing2,987,0302,987,030---0.051--4.738%
2013-01-09T10:10:00markrtiny25,000,0001,000,000,00045146.4881.3340.0102.66814.741%
2016-03-17T18:47:57alpertronManual testing3,000,000100,000,00012---0.141--9.905%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-03-25T00:00:00ANONYMOUSv4_computers?256--0.022--
2002-01-28T00:00:00ANONYMOUSv4_computers?257--0.045--
2004-01-07T00:00:00ANONYMOUSv4_computers?258--0.090--
2012-11-27T09:03:00dbaughManual testing260261--0.358--
2012-12-01T07:50:00dbaughManual testing261262--0.716--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002813.609
250,00025,000,000442.826


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-02-17T00:00:00ANONYMOUSv4_computers0F3659F959BB5E5F0.005


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-23T19:04:50Oliver KruseDoppelherz
125121243653506108640827021803878584977256889
846DFB9AC6B68953no
2017-09-24T17:47:13Oliver KruseManual testing
125121243653506108640827021803878584977256889
846DFB9AC6B68953no
2017-11-07T00:16:11kkmrkkblmbrbkc4.xlarge
125121243653506108640827021803878584977256889
846DFB9AC6B689__no
2020-04-18T09:28:09Oliver KruseAddPrpType5
125121243653506108640827021803878584977256889
6C68C3459AC18D__no


P-1 factor-bounds graph:
B1 = 25,000,000, B2 = 1,000,000,000 (stage 2)
B1 = 25,000,000 (stage 1)
B1 = 3,000,000, B2 = 100,000,000 (stage 2)
B1 = 3,000,000 (stage 1)
B1 = 2,987,030 (stage 1)
B1 = 1,000,000, B2 = 2,000,000 (stage 2)
B1 = 1,000,000 (stage 1)
B1 = 131,072, B2 = 13,107,200 (stage 2)
B1 = 500,000, B2 = 1,000,000 (stage 2)
B1 = 500,000 (stage 1)
B1 = 65,536, B2 = 6,553,600 (stage 2)
B1 = 32,768, B2 = 3,276,800 (stage 2)
B1 = 131,072 (stage 1)
B1 = 50,000, B2 = 1,000,000 (stage 2)
B1 = 65,536 (stage 1)
B1 = 50,000 (stage 1)
B1 = 32,768 (stage 1)
B1 = 2,000, B2 = 200,000 (stage 2)
B1 = 2,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-04-18T09:28:09+00:00