is 22024213-1
has 609,349 decimal digits
takes 0.133 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LB88BD4C203899FD6double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26829.446069.1176%4,000,000200,000,0001.39948.7504%30.845477.8680%14.0749%
PrimeNet2580.019063.7931%9,000150,0000.00162.6130%0.020666.4061%2.6130%
GPU722620.303566.1290%8,000120,0000.00131.2739%0.304967.4029%1.2739%
Difference+6+29.1424+2.9886%+3,992,000+199,880,000+1.3981+7.4765%+30.5405+10.4651%+10.4651%

Known prime factors (1 factor, 120.9 bits, 0.00597030% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
2024213239865679062901678748382370441004920737120.852592491202909233560767523898031
433 × 1087 × 2069 × 6779 × 40177 × 72019 × 31017997
72,01931,017,9972019-03-188.176e+100.16760.3009

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-04-28T00:00:00Jocelyn Larouchev4_computers2,0002,000---0.000--0.017%
2003-01-09T00:00:00ANONYMOUSv4_computers25,000418,750---0.004--1.083%
2010-12-11T00:04:00Jocelyn LaroucheManual testing202,421202,421---0.019--1.171%
2013-10-21T09:47:00David Campeaui5-2500k580,00015,080,000---0.131--4.746%
2019-03-18T06:25:31mikrMSI4,000,000200,000,0001237120.8521.3990.2662.7998.750%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-01-02T00:00:00ANONYMOUSv4_computers?258--0.019--
2016-02-23T16:29:03Mark RoseManual testing258260--0.057--
2009-01-03T00:07:00Sturle Sundefoster.ifi260261--0.076--
2012-02-05T20:47:00Sebastian HornbostelManual testing261262--0.152--
2013-02-11T20:23:00dbaughManual testing262263--0.485--
2015-04-10T15:56:00VictordeHollanderManual testing263264--0.970--
2015-04-10T15:56:00VictordeHollanderManual testing264265--1.846--
2015-10-31T16:44:08ramgeisManual testing265266--3.692--
2016-07-06T22:01:12Gordon SpenceManual testing266267--7.383--
2019-03-18T03:51:02chuenkitManual testing267268--14.77--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,000423.558


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-01-29T00:00:00ANONYMOUSv4_computersB88BD4C203899FD60.133
2016-07-15T14:37:08Mark RoseraphaelB88BD4C203899FD60.133


PRP results:
dateuseridcompidcofactorsres64PRP
2019-03-19T04:20:07artorollofourthno
2019-03-20T03:31:04marssystemsSYSTEM01no


P-1 factor-bounds graph:
B1 = 4,000,000, B2 = 200,000,000 (stage 2)
B1 = 4,000,000 (stage 1)
B1 = 580,000, B2 = 15,080,000 (stage 2)
B1 = 580,000 (stage 1)
B1 = 202,421 (stage 1)
B1 = 25,000, B2 = 418,750 (stage 2)
B1 = 25,000 (stage 1)
B1 = 2,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2019-03-20T03:31:04+00:00