is 2 769326871 - 1
has 231590465 decimal digits
takes 29,651.140 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2759.946260.0000%----9.946260.0000%
Target2845,092.591764.2857%4500000200000000846.74114.3927%5,939.332865.8545%
Difference-9-5,082.6454-4.2857%-4500000-200000000-846.7411-4.3927%-5,929.3866-5.8545%

Known prime factors (7 factors, 318.5 bits, 0.00004140% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
76932687176932687111032.8415
5		-157.445e-136.806e-50.0001
769326871815486483271136.24753
53		-1531.204e-110.00020.0003
7693268715246809260231238.933341
11 × 31		-11315.111e-110.00070.0013
76932687124864644470731341.1771616
24 × 101		-161015.140e-100.00120.0018
76932687160822982421271342.4683953
59 × 67		2012-08-1059671.413e-90.00330.0067
769326871473155735819435031755.39330751281
32 × 11 × 29 × 10711		2014-08-1629107116.996e-60.03410.0609
76932687132377081139179224941032271.4552104247385581
112 × 19 × 915288119		2019-12-031219152881190.66732,786.95,205.1

120 Composite Factors:
P-1 results:
No P-1 results for M769326871


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-08-10TF to low limitsManual testing??42.468136.51625e-1065,2421.43377e-9
2014-08-16pdazzlManual testing2126455.393176.99639e-665,2421.53942e-5
2022-03-23James HeinrichManual testing264266--0.015--
2019-06-16Seth_TrManual testing266267--0.019--
2019-06-17Seth_TrManual testing267268--0.039--
2019-06-18Seth_TrManual testing268269--0.078--
2021-08-06Seth_TrManual testing269270--0.155--
2019-06-21Seth_TrManual testing270271--0.311--
2019-12-03Seth_TrManual testing27127271.455220.04665,2400.101
2021-08-06Seth_TrManual testing271272
skipped known factors(?)
--0.622--
2019-12-08Seth_TrManual testing272273--1.243--
2019-12-11Seth_TrManual testing273274--2.487--
2019-12-23Seth_TrManual testing274275--4.973--


ECM factoring results:
No ECM results for M769326871


Lucas-Lehmer results:
No L-L results for M769326871


PRP results:
No PRP results for M769326871


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
264
2
this exponent TF target: 84
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00