is 2 106042681 - 1
has 31922028 decimal digits
takes 434.922 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276144.319264.4737%8960008960005.32851.6538%149.647765.0612%0.5875%
PrimeNet2729.018462.5000%450000220000009.65865.4023%18.677064.5258%2.0258%
GPU72276144.319264.4737%7000002400000011.71233.9704%156.031565.8842%1.4105%
Difference---+196000-23104000-6.3838-2.3166%-6.3838-0.8230%-0.8230%

Known prime factors (1 factor, 124.3 bits, 0.00011718% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1060426812553469356995534270921043128381665999938124.264120398189338287961189940262279
3 × 7 × 269 × 24007 × 50539 × 143489 × 315703 × 387781
2021-09-063157033877811.758e+91.90083.8210

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-09-06T12:24:19Ben Deloi-01b6942cb32fe6e8089600089600038124.2645.329869.810.661.654%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-21T21:33:00sasaki3mate_ma2263264--0.019--
2010-09-07T06:20:00Charles A. Morrispulsar-3264265--0.035--
2012-05-07T11:27:00america64Manual testing265266--0.070--
2014-11-07T08:30:00g0bManual testing266267--0.141--
2014-11-08T15:56:00RichD0Manual testing267268--0.282--
2014-11-10T14:30:00RichD0Manual testing268269--0.564--
2014-11-11T23:08:00shaugeManual testing269270--1.128--
2014-11-11T23:08:00shaugeManual testing270271--2.255--
2015-04-20T19:42:00JakeWManual testing271272--4.510--
2020-03-25T03:21:04el groccoGPU72_TF272273--9.020--
2020-04-04T02:55:09XZTManual testing273274--18.04--
2021-04-04T18:59:59TheJudgerManual testing274275--36.08--
2021-04-04T18:59:59TheJudgerManual testing275276--72.16--


ECM factoring results:
Exponent "106042681" not found


Lucas-Lehmer results:
Exponent "106042681" not found


PRP results:
Exponent "106042681" not found


P-1 factor-bounds graph:
B1 = 896000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2021-09-06T12:24:19+00:00