is 2 81264809 - 1
has 24463146 decimal digits
takes 253.586 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
Actual27594.160264.0000%----94.160264.0000%2.0282%
PrimeNet2715.883061.9718%340000160000005.39895.2568%11.281867.2287%5.2568%
GPU7227594.160264.0000%550000180000006.79033.8822%100.950567.8822%3.8822%
Difference----550000-18000000-6.7903-3.8822%-6.7903-3.8822%-3.8822%

Known prime factors (1 factor, 82.0 bits, 0.00010096% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8126480949948791362613181836033132582.04730732116384235384
23 × 32 × 193 × 257 × 8291 × 1037917
2017-05-318291103791724,0120.29130.4779

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-05-31T16:38:24La GüiraLa_duodecima2582.047-507.2-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-03T08:20:00For Researchm1_41264265--0.046--
2011-02-22T18:52:00UngelovendeManual testing265267--0.276--
2011-02-22T18:52:00UngelovendeManual testing267268--0.368--
2011-02-22T18:52:00UngelovendeManual testing268269--0.736--
2011-02-22T18:52:00UngelovendeManual testing269270--1.471--
2011-02-22T18:52:00UngelovendeManual testing270271--2.943--
2016-09-14T15:55:11Judge HaleManual testing271272--5.885--
2016-09-14T16:55:10Judge HaleManual testing272273--11.77--
2016-11-05T01:44:27ANONYMOUSManual testing273274--23.54--
2016-11-05T01:44:27ANONYMOUSManual testing274275--47.08--


ECM factoring results:
Exponent "81264809" not found


Lucas-Lehmer results:
Exponent "81264809" not found


PRP results:
Exponent "81264809" not found


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
265
250
260
270
280
290
2100
Last modified: 2017-05-31T16:38:24+00:00