is 2 56842327 - 1
has 17111246 decimal digits
takes 120.474 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
Actual2681.048661.7647%----1.048661.7647%0.0000%
PrimeNet2692.100362.3188%240000110000002.53925.4705%4.639564.3802%2.0614%
GPU7227333.651864.3836%400000130000003.33904.0670%36.990765.8321%1.4485%
Difference-5-32.6032-2.6189%-400000-13000000-3.3390-4.0670%-35.9421-4.0674%-4.0674%

Known prime factors (2 factors, 121.5 bits, 0.00021376% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
56842327188264002737906471754.064165601949
165601949
2000-03-0811656019496.661e-527.72851.788
568423272003689143120561745372167.4411762497463484
22 × 263 × 1831 × 915007
2022-08-0318319150070.76680.15850.2861

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
56842327377222538326362905248879672683015543937121.505
P-1 results:
No P-1 results for M56842327


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-03-08T00:00:00ANONYMOUSv4_computers??54.064172.43904e-5247.75.01441e-5
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.11097e-5--
2000-01-19T00:00:00ANONYMOUSv4_computers21253--2.11097e-5--
2022-08-10T19:29:26LordJuliusManual testing2126654.064176.66097e-5247.70.000
2022-08-10T19:29:26LordJuliusManual testing266267--0.263--
2022-08-03T11:22:50TJAOIManual testing267268*67.441210.244246.60.500
2022-08-10T19:29:26LordJuliusManual testing26726867.441210.244246.60.500


ECM factoring results:
No ECM results for M56842327


Lucas-Lehmer results:
No L-L results for M56842327


PRP results:
No PRP results for M56842327


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
267
266
253
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:26+00:00