is 2 992659 - 1
has 298821 decimal digits
takes 0.024 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LA78B6CEEB6ECB5D0double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26860.045770.5882%5000000012624917405102,420.280921.9606%2,480.326677.0472%6.4590%
PrimeNet2400.000050.0000%90004000000.001124.0298%0.001162.0149%12.0149%
GPU722440.000054.5455%160006500000.001818.4628%0.001862.9377%8.3922%
Difference+24+60.0457+16.0428%+49984000+1262491090510+2,420.2791+3.4978%+2,480.3248+14.1096%-1.9332%

Known prime factors (1 factor, 125.6 bits, 0.01265411% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9926596501713082114620277286855383908861911338125.61232748975640751860796541689461884
22 × 3 × 157 × 3853 × 53269 × 69163 × 310363 × 3945476897
2022-10-1431036339454768971.750e+117.568914.117

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08T00:00:00ANONYMOUSv4_computers2000200000---0.000--0.174%
2002-03-03T00:00:00ANONYMOUSv4_computers4096409600---0.001--0.379%
2002-04-28T00:00:00ANONYMOUSv4_computers163841638400---0.004--1.143%
2002-08-10T00:00:00ANONYMOUSv4_computers327683276800---0.007--1.732%
2003-01-25T00:00:00ANONYMOUSv4_computers655366553600---0.015--2.459%
2003-09-09T00:00:00ANONYMOUSv4_computers13107213107200---0.029--3.313%
2011-05-29T22:11:00Jocelyn LaroucheManual testing200000200000---0.007--1.030%
2011-06-12T13:03:00Jocelyn LaroucheManual testing400000400000---0.014--1.458%
2012-02-06T21:53:00Jocelyn LaroucheManual testing670824670824---0.024--1.838%
2012-07-14T15:56:00Jocelyn LaroucheManual testing992689992689---0.035--2.160%
2013-10-25T01:11:00David Campeaui5-2500k101000032320000---0.095--5.352%
2013-12-12T00:06:00alpertronManual testing10000000500000000---1.290--9.905%
2022-10-13T20:29:27axnManual testing50000000126249174051038125.6122,4200.0484,84121.961%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-07-12T00:00:00ANONYMOUSv4_computers21255--0.005--
2000-10-22T00:00:00ANONYMOUSv4_computers21256--0.010--
2001-12-01T00:00:00ANONYMOUSv4_computers21257--0.019--
2003-06-30T00:00:00ANONYMOUSv4_computers21258--0.039--
2016-02-23T16:28:19Mark RoseManual testing258260--0.116--
2010-05-15T21:40:00Architects Cubeda3_bu2260261--0.155--
2013-12-08T14:12:00Jerry HallettManual testing261262--0.309--
2013-12-08T14:12:00Jerry HallettManual testing262263--0.989--
2015-05-15T22:33:00snme2pm1Manual testing263264--1.978--
2015-05-15T22:33:00snme2pm1Manual testing264265--3.764--
2017-12-12T22:50:44Gordon SpenceManual testing265266--7.528--
2017-12-12T22:50:44Gordon SpenceManual testing266267--15.06--
2021-09-15T13:33:04YxinityManual testing267268--30.11--


ECM factoring results:
Total ECM effort:101.897 GHz-days
Estimated T-Level:29.742
DigitsB1CompleteFacMiss
201100059.2850.000%
25500008.9420.013%
302500000.94838.738%
3510000000.07992.414%
4030000000.00599.469%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002838.042
2500005000000048493.85


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-04-11T21:17:00MadPooManual testingA78B6CEEB6ECB5D00.024


PRP results:
dateuseridcompidcofactorsres64PRP
2022-10-15T10:01:02Kevin_9611PI
65017130821146202772868553839088619113
75848E4829938385no


P-1 factor-bounds graph:
B1 = 50000000, B2 = 1262491740510 (P-1 stage 2)
B1 = 50000000 (P-1 stage 1)
B1 = 10000000, B2 = 500000000 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 1010000, B2 = 32320000 (P-1 stage 2)
B1 = 1010000 (P-1 stage 1)
B1 = 992689 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 670824 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
B1 = 131072 (P-1 stage 1)
B1 = 16384, B2 = 1638400 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
B1 = 4096, B2 = 409600 (P-1 stage 2)
B1 = 16384 (P-1 stage 1)
B1 = 2000, B2 = 200000 (P-1 stage 2)
B1 = 4096 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
102
103
104
105
106
107
108
102
103
104
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109
1010
1011
1012
1013
TF factor-bounds graph:
268
267
266
265
264
263
262
261
260
258
257
256
255
250
260
270
280
290
2100
2110
2120
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Last modified: 2022-10-15T10:01:02+00:00