is 2 102646009 - 1
has 30899528 decimal digits
takes 408.695 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276149.094964.4737%8550008550004.93621.6137%154.031166.0873%3.5873%
PrimeNet2729.316862.5000%450000220000009.37655.3815%18.693367.8815%5.3815%
GPU72276149.094964.4737%6500002200000010.46823.8527%159.563168.3264%3.8527%
Difference---+205000-21145000-5.5320-2.2390%-5.5320-2.2390%-2.2390%

Known prime factors (1 factor, 93.0 bits, 0.00009061% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10264600999490175300083273766937091512893.00748462758693366867175
3 × 52 × 23 × 547 × 5417 × 12161 × 779657
121617796572021-02-1426,458,3650.31160.4580

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-14T01:27:53Ben Deloi-02a217b37a3b8c52a8550008550002893.0074.936817.49.871.614%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-19T20:50:001997rj7comp5263264--0.019--
2010-12-15T01:57:00RichardFX5000_1264265--0.036--
2012-04-24T03:05:00sasaki3home3265266--0.073--
2013-08-28T09:11:00RobishManual testing266267--0.146--
2013-08-28T21:38:00RobishManual testing267268--0.291--
2013-08-29T09:53:00RobishManual testing268269--0.582--
2013-08-30T14:17:00RobishManual testing269270--1.165--
2013-08-31T06:30:00Le ComteManual testing270271--2.330--
2015-01-07T11:08:00FredrikManual testing271272--4.659--
2015-01-07T11:08:00FredrikManual testing272273--9.319--
2020-03-31T14:04:45SRBaseManual testing273274--18.64--
2020-09-24T06:27:03Bill StaffenGPU72_TF274275--37.27--
2020-10-04T05:02:04RichD0GPU72_TF275276--74.55--


ECM factoring results:
Exponent "102646009" not found


Lucas-Lehmer results:
Exponent "102646009" not found


PRP results:
Exponent "102646009" not found


P-1 factor-bounds graph:
B1 = 855000 (stage 1)
103
104
105
106
103
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
Last modified: 2021-02-14T01:27:53+00:00