is 22885569-1
has 868,643 decimal digits
takes 0.223 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L195591D7759D3F39double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26820.656267.6471%5,000,000200,000,0001.74989.1838%22.406076.8309%14.1190%
PrimeNet2590.026662.7119%13,000240,0000.00282.9995%0.029565.7113%2.9995%
GPU722630.553165.0794%16,000280,0000.00341.8714%0.556566.9508%1.8714%
Difference+5+20.1031+2.5677%+4,984,000+199,720,000+1.7464+7.3124%+21.8495+9.8801%+9.8801%

Known prime factors (1 factor, 133.4 bits, 0.00462368% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
28855691456328497048388896852462928946269765854341133.4192523468503176304044111339789390359
3 × 132 × 53117 × 888211 × 1429567 × 1567117 × 47090609
1,567,11747,090,6092020-02-234.901e+100.45330.5367

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-11-28T00:00:00ANONYMOUSv4_computers2,048204,800---0.001--0.245%
2016-10-28T05:22:39Jocelyn Larouche low 4MManual testing190,080190,080---0.021--1.204%
2016-12-14T18:29:40Jocelyn Larouche low 4MManual testing273,715273,715---0.031--1.444%
2017-03-11T20:25:03Jocelyn Larouche low 4MManual testing328,4583,284,5806---0.055--3.351%
2018-01-07T22:41:21Jocelyn Larouche low 4MManual testing394,149394,149---0.044--1.711%
2018-09-03T21:22:21Jocelyn Larouche low 4MManual testing857,3041,714,6086---0.101--3.029%
2018-09-05T22:38:00Jocelyn Larouche low 4MManual testing857,3042,571,9126---0.106--3.420%
2019-10-19T14:16:02masserManual testing2,900,00029,000,00012---0.484--6.442%
2020-02-23T15:11:34masserManual testing5,000,000200,000,0001241133.4191.7500.4463.5009.184%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-02-23T16:29:24Mark RoseManual testing21260--0.053--
2009-02-15T00:28:00Sturle Sundeagrell.ifi260261--0.053--
2012-01-16T14:13:00Grant McCrackenthumper261262--0.106--
2013-01-07T13:47:00dbaughManual testing262263--0.340--
2015-04-21T09:21:00VictordeHollanderManual testing263264--0.680--
2015-04-21T09:21:00VictordeHollanderManual testing264265--1.295--
2015-11-23T22:26:57omylistManual testing265266--2.590--
2017-11-13T23:00:08Gordon SpenceManual testing266267--5.179--
2019-01-11T03:01:55chuenkitManual testing267268--10.36--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,000181.885


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-05-23T00:00:00ANONYMOUSv4_computers195591D7759D3F390.223
2018-09-26T12:31:21kkmrkkblmbrbkold195591D7759D3F390.223


PRP results:
dateuseridcompidcofactorsres64PRP
2020-02-23T18:05:45Christoph ZengerManual testing
14563284970483888968524629289462697658543
2704EFF371268517no
2020-02-27T00:47:40AbsolutXTR750D
14563284970483888968524629289462697658543
2704EFF371268517no


P-1 factor-bounds graph:
B1 = 5,000,000, B2 = 200,000,000 (stage 2)
B1 = 5,000,000 (stage 1)
B1 = 2,900,000, B2 = 29,000,000 (stage 2)
B1 = 2,900,000 (stage 1)
B1 = 857,304, B2 = 2,571,912 (stage 2)
B1 = 857,304, B2 = 1,714,608 (stage 2)
B1 = 857,304 (stage 1)
B1 = 328,458, B2 = 3,284,580 (stage 2)
B1 = 394,149 (stage 1)
B1 = 328,458 (stage 1)
B1 = 273,715 (stage 1)
B1 = 190,080 (stage 1)
B1 = 2,048, B2 = 204,800 (stage 2)
B1 = 2,048 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-02-27T00:47:40+00:00