is 2 630583 - 1
has 189825 decimal digits
takes 0.010 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L3412319AB0CEC4EDdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual269189.327671.0145%52000000739960221000889.302719.6949%1,078.630476.7231%5.7087%
PrimeNet2400.000050.0000%60002200000.000420.6314%0.000460.3157%10.3157%
GPU722440.000054.5455%110004000000.000715.9019%0.000761.7736%7.2281%
Difference+25+189.3276+16.4690%+51989000+739959821000+889.3020+3.7930%+1,078.6296+14.9496%-1.5195%

Known prime factors (1 factor, 150.3 bits, 0.02383723% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
630583177366186304602774621002641037899532532823341746150.3131406366697996954997367536399156808322876
22 × 3 × 11 × 37 × 967 × 19139 × 61253 × 745189 × 5333683 × 63908143573
2022-09-305333683639081435732.269e+1176.824143.28

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-12-31T00:00:00Alex Kruppav4_computers200040000---8.96776e-5--0.070%
2001-04-21T00:00:00Alex Kruppav4_computers1000004000000---0.007--2.033%
2002-05-11T00:00:00ANONYMOUSv4_computers163841638400---0.002--0.895%
2002-06-29T00:00:00ANONYMOUSv4_computers327683276800---0.005--1.390%
2002-10-07T00:00:00ANONYMOUSv4_computers655366553600---0.009--2.018%
2003-05-19T00:00:00ANONYMOUSv4_computers13107213107200---0.018--2.770%
2011-07-10T12:45:00Jocelyn LaroucheManual testing362439362439---0.008--1.141%
2011-09-05T00:50:00Jocelyn LaroucheManual testing604065604065---0.013--1.457%
2012-06-19T02:42:00Jocelyn LaroucheManual testing630587630587---0.014--1.486%
2012-08-01T01:17:00Jocelyn LaroucheManual testing12611661261166---0.028--1.996%
2013-10-16T19:57:00David Campeaui5-2500k128500041120000---0.076--4.972%
2015-11-12T01:02:39Sid & AndySpeck630583018917490012---0.358--7.415%
2022-09-30T06:07:55masserhwell5200000073996022100046150.313889.30.0191,77919.695%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2022-08-29T13:02:03masserManual testing520000022360000027--0.422


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-01-04T00:00:00ANONYMOUSv4_computers253254--0.002--
2022-03-07T09:01:51LordJuliusManual testing254255--0.004--
2001-04-15T00:00:00ANONYMOUSv4_computers21256--0.015--
2001-10-25T00:00:00ANONYMOUSv4_computers21257--0.030--
2003-11-08T00:00:00ANONYMOUSv4_computers21258--0.061--
2008-10-10T18:02:00Sturle Sundebuxtehude.ifi258259--0.061--
2008-10-10T18:46:00Sturle Sundebuxtehude.ifi259260--0.122--
2011-01-06T09:18:00Sid & AndyToy_Soldier260261--0.244--
2015-06-06T22:35:00lycornManual testing261262--0.487--
2015-10-10T19:10:57Gordon SpenceManual testing262263--1.557--
2015-10-10T19:10:57Gordon SpenceManual testing263264--3.113--
2017-06-22T08:31:16Smok_bmvManual testing264265--5.925--
2017-07-17T04:38:59Smok_bmvManual testing265266--11.85--
2018-12-10T04:34:11Smok_bmvManual testing266267--23.70--
2018-12-10T04:34:11Smok_bmvManual testing267268--47.40--
2018-12-10T04:34:11Smok_bmvManual testing268269--94.80--


ECM factoring results:
Total ECM effort:20.226 GHz-days
Estimated T-Level:26.670
DigitsB1CompleteFacMiss
201100026.9280.000%
25500003.4653.127%
302500000.33471.612%
3510000000.02697.452%
4030000000.00299.834%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002965.034
2500002500000012710.80
2500002750000070.616
2500002800000070.620
2500003675000070.693
25000038750000141.419
25000012899251051.043


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-04-11T15:31:00MadPooManual testing3412319AB0CEC4ED0.010


PRP results:
dateuseridcompidcofactorsres64PRP
2022-09-30T13:08:13masserhwell
1773661863046027746210026410378995325328233417
B5A4F47A6D0EB18Fno


P-1 factor-bounds graph:
B1 = 52000000, B2 = 739960221000 (P-1 stage 2)
B1 = 52000000 (P-1 stage 1)
B1 = 6305830, B2 = 189174900 (P-1 stage 2)
B1 = 6305830 (P-1 stage 1)
B1 = 1285000, B2 = 41120000 (P-1 stage 2)
B1 = 1285000 (P-1 stage 1)
B1 = 1261166 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 630587 (P-1 stage 1)
B1 = 604065 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 362439 (P-1 stage 1)
B1 = 100000, B2 = 4000000 (P-1 stage 2)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 131072 (P-1 stage 1)
B1 = 16384, B2 = 1638400 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
B1 = 65536 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
B1 = 16384 (P-1 stage 1)
B1 = 2000, B2 = 40000 (P-1 stage 2)
B1 = 2000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-09-30T13:08:13+00:00