is 2 929129 - 1
has 279696 decimal digits
takes 0.023 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LB7529319F037D51Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26864.151370.5882%5000000012636914390102,422.579221.8812%2,486.730677.0239%
Target2440.000054.5455%150006000000.001618.0487%0.001762.7494%
Difference+24+64.1513+16.0428%+49985000+1263690839010+2,422.5776+3.8325%+2,486.7289+14.2745%

Known prime factors (1 factor, 112.9 bits, 0.01215095% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
929129967604999041257544966982479047590334112.8985207054128335556983836380519
5207054128335556983836380519
2022-11-27152070541283355569838363805192.031e+119.975e+181.863e+19

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08ANONYMOUSv4_computers2000200000---0.000--0.171%
2002-02-24ANONYMOUSv4_computers4096409600---0.001--0.373%
2002-04-28ANONYMOUSv4_computers8192819200---0.002--0.685%
2002-05-18ANONYMOUSv4_computers163841638400---0.004--1.128%
2002-07-20ANONYMOUSv4_computers327683276800---0.007--1.712%
2002-12-31ANONYMOUSv4_computers655366553600---0.015--2.433%
2003-09-09ANONYMOUSv4_computers13107213107200---0.029--3.282%
2011-06-02Jocelyn LaroucheManual testing200000200000---0.007--1.018%
2011-07-13Jocelyn LaroucheManual testing219267219267---0.008--1.069%
2011-10-31Jocelyn LaroucheManual testing730891730891---0.026--1.887%
2013-10-11David Campeaui5-2500k96000024960000---0.080--5.040%
2014-01-15alpertronManual testing10000000500000000---1.290--9.848%
2022-08-10axnManual testing500000001263691439010---2,423--21.881%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2022-11-22masserManual testing20000007200000010429--0.238
2022-11-27masserManual testing400000017200000065P+134112.8980.529
2022-11-27masserManual testing800000040000000027P+134112.8981.164


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-06-28ANONYMOUSv4_computers21255--0.005--
2000-06-29ANONYMOUSv4_computers21255--0.005--
2000-12-14ANONYMOUSv4_computers21256--0.010--
2001-10-13ANONYMOUSv4_computers21257--0.021--
2003-08-31ANONYMOUSv4_computers21258--0.041--
2016-02-23Mark RoseManual testing258260--0.124--
2010-05-19Architects Cubeda3_bu2260261--0.165--
2014-08-24lycornManual testing261262--0.331--
2015-09-22Gordon SpenceManual testing262263--1.057--
2015-09-22Gordon SpenceManual testing263264--2.113--
2015-12-31lycornManual testing264265--4.021--
2017-12-14Smok_bmvManual testing265266--8.043--
2017-12-14Smok_bmvManual testing266267--16.09--
2017-12-15Smok_bmvManual testing267268--32.17--


ECM factoring results:
Total ECM effort:26.700 GHz-days
Estimated T-Level:25.932
DigitsB1CompleteFacMiss
201100017.5420.000%
25500002.09312.329%
302500000.18683.001%
3510000000.01498.652%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002807.894
25000025000000476.625
2500002542681052012.18


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-01-08ANONYMOUSv4_computersB7529319F037D51C0.023
2015-04-11MadPooManual testingB7529319F037D51C0.023


PRP results:
dateuseridcompidcofactorsres64PRP
2022-11-27Kevin_9611F
9676049990412575449669824790475903
8C166D7FBADE1A56no


P-1 factor-bounds graph:
B1 = 50000000, B2 = 1263691439010 (P-1 stage 2)
B1 = 50000000 (P-1 stage 1)
B1 = 10000000, B2 = 500000000 (P-1 stage 2)
B1 = 8000000, B2 = 400000000 (P+1 stage 2)
B1 = 4000000, B2 = 172000000 (P+1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 8000000 (P+1 stage 1)
B1 = 4000000 (P+1 stage 1)
B1 = 960000, B2 = 24960000 (P-1 stage 2)
B1 = 960000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 730891 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 219267 (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 = 8192, B2 = 819200 (P-1 stage 2)
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 = 8192 (P-1 stage 1)
B1 = 4096 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
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
Last modified: 2022-11-27T14:25:01+00:00