is 24572727-1
has 1,376,528 decimal digits
takes 0.602 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LA9D051C09340454Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2663.229765.1515%1,988,20361,634,3031.00008.8565%4.229774.0080%11.7129%
PrimeNet2610.067262.2951%19,000400,0000.00763.0727%0.074865.3678%3.0727%
GPU722651.595564.6154%28,000550,0000.01082.1365%1.606366.7519%2.1365%
Difference+1+1.6342+0.5361%+1,960,203+61,084,303+0.9892+6.7200%+2.6234+7.2561%+7.2561%

Known prime factors (1 factor, 118.3 bits, 0.00258747% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
457272741425235299989263419635245444949369736118.31845295985633943665803398328224
25 × 33 × 7 × 19 × 79 × 9859 × 16333 × 860927 × 35991677
860,92735,991,6772017-03-283.216e+100.52980.6992

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-06-29T07:33:00markrManual testing95,0002,018,750---0.038--3.324%
2017-03-28T22:37:22Ismo Laitela6600K1,988,20361,634,3031236118.3181.0001.2042.0008.857%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1997-12-21T00:00:00ANONYMOUSv4_computers?260--0.017--
1998-02-12T00:00:00ANONYMOUSv4_computers?260--0.017--
2002-02-17T00:00:00ANONYMOUSv4_computers?261--0.034--
2010-08-23T06:13:00markrut261262--0.067--
2012-01-08T21:46:00GrunwalderGIMPManual testing21263--0.349--
2016-02-23T16:38:55Mark RoseManual testing262263--0.215--
2014-12-22T14:47:00JayderManual testing263264--0.429--
2014-12-23T02:43:00monstManual testing264265--0.817--
2015-07-02T23:41:00snme2pm1Manual testing265266--1.634--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,000122.350


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-03-17T00:00:00ANONYMOUSv4_computersA9D051C09340454F0.602
2000-12-14T00:00:00foxkidv4_computersA9D051C09340454F0.602


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-18T13:41:14Oliver KruseGTX-1
414252352999892634196352454449493697
D27A0DE38F6F5E__no
2018-01-03T10:55:26kkmrkkblmbrbkc4.xlarge
414252352999892634196352454449493697
D27A0DE38F6F5E__no


P-1 factor-bounds graph:
B1 = 1,988,203, B2 = 61,634,303 (stage 2)
B1 = 1,988,203 (stage 1)
B1 = 95,000, B2 = 2,018,750 (stage 2)
B1 = 95,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2018-01-03T10:55:26+00:00