is 2185161-1
has 55,740 decimal digits
takes 0.001 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L57FD7782215D845Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2638.619671.4286%100,000,0002,000,000,0001.360715.6211%9.980487.0497%32.0497%
PrimeNet2400.000055.0000%2,00045,0000.000012.0828%0.000067.0828%12.0828%
GPU722440.000059.0909%3,40070,0000.00008.4166%0.000167.5075%8.4166%
Difference+19+8.6196+12.3377%+99,996,600+1,999,930,000+1.3607+7.2045%+9.9803+19.5422%+19.5422%

Known prime factors (2 factors, 205.0 bits, 0.11073740% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
18516194353895570590540235231692582.96425478879345701994544
24 × 3 × 530809986368791553
165.30810e+172009-10-315,317,291193,362,282361,146,896
185161561273937234436540664292650817363596737122.07815156375727999863380093341762503
3 × 89 × 1413169 × 1987091 × 11108459 × 1819778069
11,108,4591.81978e+92017-05-177.116e+110.73311.2381

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
18516152958382460312214808554568166474324985980365423743
538196219423
62205.042
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-05-27T00:00:00ANONYMOUSv4_computers100,00010,000,000---0.004--4.109%
2002-06-02T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.001--2.529%
2002-07-27T00:00:00ANONYMOUSv4_computers65,5366,553,600---0.003--3.470%
2003-02-16T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.006--4.542%
2003-10-08T00:00:00ANONYMOUSv4_computers262,14426,214,400---0.011--5.734%
2006-02-01T00:00:00Jocelyn Larouchev4_computers1,000,0001,000,000---0.007--2.967%
2009-01-28T03:07:00axnManual testing5,000,000200,000,000---0.104--10.453%
2017-05-17T05:01:48kkmrkkblmbrbkManual testing100,000,0002,000,000,0001237122.0781.3610.0022.72115.621%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-10T00:00:00ANONYMOUSv4_computers252253--0.003--
2000-04-27T00:00:00ANONYMOUSv4_computers?254--0.013--
2001-01-28T00:00:00ANONYMOUSv4_computers?256--0.052--
2002-05-11T00:00:00ANONYMOUSv4_computers?257--0.104--
2008-12-30T22:57:00Sturle Sundekrebs.ifi258259--0.207--
2009-01-25T18:40:00Sturle Sundeakerman.ifi259260--0.415--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50,0005,000,0002741.335
250,00025,000,00050412.28


Lucas-Lehmer results:
Exponent "185161" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T01:05:41Oliver KruseOllaptopD66C0544188854__?
2017-09-22T10:05:20Oliver KruseManual testingD66C0544188854__?
2017-10-12T03:48:55kkmrkkblmbrbkc4.xlargeD66C0544188854__no
2020-04-17T18:57:03Oliver KruseAddPrpType5
9435389557059054023523169
5612739372344365406642926508173635967
376A3BF48E14CB__no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 2,000,000,000 (stage 2)
B1 = 100,000,000 (stage 1)
B1 = 5,000,000, B2 = 200,000,000 (stage 2)
B1 = 5,000,000 (stage 1)
B1 = 262,144, B2 = 26,214,400 (stage 2)
B1 = 1,000,000 (stage 1)
B1 = 131,072, B2 = 13,107,200 (stage 2)
B1 = 100,000, B2 = 10,000,000 (stage 2)
B1 = 65,536, B2 = 6,553,600 (stage 2)
B1 = 262,144 (stage 1)
B1 = 32,768, B2 = 3,276,800 (stage 2)
B1 = 131,072 (stage 1)
B1 = 100,000 (stage 1)
B1 = 65,536 (stage 1)
B1 = 32,768 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-06-19T17:38:44+00:00