is 2 180776131 - 1
has 54419038 decimal digits
takes 1,406.037 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2680.329758.8235%----0.329758.8235%0.0000%
PrimeNet27421.163662.1622%7000004000000032.04215.5725%53.205764.2707%2.1085%
GPU72278338.631664.1026%11000004000000036.30744.0800%374.939065.5672%1.4646%
Difference-10-338.3019-5.2790%-1100000-40000000-36.3074-4.0800%-374.6093-6.7436%-6.7436%

Known prime factors (2 factors, 132.3 bits, 0.00007321% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
180776131354363554009244942732064.94298011709856
25 × 33 × 9011 × 12589
2011-03-209011125890.03650.10380.2068
1807761311956713899779017338012167.407541198079900
22 × 52 × 23 × 235303513
2022-07-11252353035130.2531144.58270.04

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
180776131693388091704982106467294862485579502167340132.349
P-1 results:
No P-1 results for M180776131


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-03-20T16:10:00Sergej Levinwork-p4??64.942200.0172,8850.034
2010-07-25T14:37:00ANONYMOUS07_122109263264--0.011--
2022-07-11T14:26:53TJAOIManual testing267268*67.407210.0892,8850.182
2022-08-10T19:29:34LordJuliusManual testing2126867.407210.2532,8850.519
2022-08-10T19:29:34LordJuliusManual testing2126864.942200.0362,8850.075


ECM factoring results:
No ECM results for M180776131


Lucas-Lehmer results:
No L-L results for M180776131


PRP results:
No PRP results for M180776131


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
264
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:34+00:00