is 2220613-1
has 66,412 decimal digits
takes 0.001 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LEA562C6267C24FD2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26416.133871.8750%20,000,000800,000,0000.508512.7048%16.642384.5798%29.5798%
PrimeNet2400.000055.0000%2,40060,0000.000013.4332%0.000068.4332%13.4332%
GPU722440.000059.0909%4,00090,0000.00019.3934%0.000168.4843%9.3934%
Difference+20+16.1338+12.7841%+19,996,000+799,910,000+0.5084+3.3114%+16.6422+16.0955%+16.0955%

Known prime factors (1 factor, 117.7 bits, 0.05336927% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
22061327742057716340976588455224738424192136117.740628749387305847266218564289920
27 × 5 × 41 × 157 × 29530253 × 59730371 × 86527013
59,730,37186,527,0132017-01-266.336e+110.49790.9890

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-05-13T00:00:00ANONYMOUSv4_computers100,00010,000,000---0.005--3.765%
2002-06-02T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.002--2.283%
2002-08-03T00:00:00ANONYMOUSv4_computers65,5366,553,600---0.003--3.163%
2003-02-24T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.007--4.174%
2003-10-23T00:00:00ANONYMOUSv4_computers262,14426,214,400---0.014--5.303%
2011-01-29T18:46:00Jocelyn LaroucheManual testing5,000,0005,000,000---0.041--4.638%
2012-05-29T00:09:00Jocelyn LaroucheManual testing7,072,9267,072,926---0.058--5.116%
2013-06-27T21:27:00BloodIceMjolnir420,000,000200,000,000---0.243--10.483%
2016-09-02T23:23:04Jocelyn Larouche low4MManual testing20,000,000400,000,00012---0.331--11.601%
2016-09-06T19:45:40Jocelyn Larouche low4MManual testing20,000,000800,000,00012---0.508--12.705%
2017-01-26T20:38:11kkmrkkblmbrbkManual testing100,000,000800,000,00036117.7400.8140.0021.62713.253%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers252253--0.003--
2000-04-19T00:00:00ANONYMOUSv4_computers?254--0.011--
2001-02-11T00:00:00ANONYMOUSv4_computers?256--0.044--
2002-03-31T00:00:00ANONYMOUSv4_computers?257--0.087--
2016-02-23T16:28:02Mark RoseManual testing257258--0.087--
2009-01-01T07:02:00Sturle Sundecelair.ifi258259--0.174--
2009-01-30T03:30:00Sturle Sundegonsha.ifi259260--0.348--
2013-07-23T13:10:00lycornasteroid260261--0.696--
2015-06-29T20:04:00snme2pm1Manual testing261262--1.392--
2016-01-23T19:45:54Gordon SpenceManual testing262263--4.450--
2016-01-23T19:45:54Gordon SpenceManual testing263264--8.899--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002761.644
250,00025,000,0003219.56


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2016-06-01T06:38:36MadPooManual testingEA562C6267C24FD20.001


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T03:56:34Oliver KruseOllaptop
277420577163409765884552247384241921
0307E7544E62DD__no
2017-09-22T10:04:08Oliver KruseManual testing
277420577163409765884552247384241921
0307E7544E62DD__no
2017-10-12T11:20:37kkmrkkblmbrbkc4.xlarge0307E7544E62DD__no
2020-04-17T19:18:55Oliver KruseAddPrpType5
277420577163409765884552247384241921
26BB23DAB22938__no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 800,000,000 (stage 2)
B1 = 100,000,000 (stage 1)
B1 = 20,000,000, B2 = 800,000,000 (stage 2)
B1 = 20,000,000, B2 = 400,000,000 (stage 2)
B1 = 20,000,000, B2 = 200,000,000 (stage 2)
B1 = 20,000,000 (stage 1)
B1 = 7,072,926 (stage 1)
B1 = 5,000,000 (stage 1)
B1 = 262,144, B2 = 26,214,400 (stage 2)
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)
103
104
105
106
107
108
103
104
105
106
107
108
109
TF factor-bounds graph:
264
263
262
261
260
259
258
257
256
254
253
250
260
270
280
290
2100
2110
2120
Last modified: 2020-04-17T19:18:55+00:00