is 2 426792467 - 1
has 128477335 decimal digits
takes 8,998.208 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
Actual2734.481960.2740%----4.481960.2740%0.0000%
PrimeNet278143.433962.8205%1600000110000000229.46265.5671%372.896564.8903%2.0698%
GPU722822,294.948664.6341%2400000110000000252.58684.1238%2,547.535466.0926%1.4584%
Difference-9-2,290.4667-4.3602%-2400000-110000000-252.5868-4.1238%-2,543.0535-5.8186%-1.4584%

Known prime factors (2 factors, 132.7 bits, 0.00003109% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
426792467423313342361222680392065.19849592410257
3 × 13 × 191 × 6657593
2014-08-0119166575930.033511.09420.711
4267924672091986487602440146072167.503245082405309
3 × 73 × 17 × 2437 × 5749
2022-09-21243757490.11710.08000.1516

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
426792467885565792241503471979274800207948524567340132.702
P-1 results:
No P-1 results for M426792467


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-08-01T14:47:00burnst2_souTutor_Terminal??65.198200.01618,4600.034
2010-03-19T12:38:00Architects CubedManual testing263264--0.005--
2010-10-22T23:50:00Architects Cubedm1_43264265--0.009--
2022-09-21T07:16:23TJAOIManual testing267268*67.503210.04718,4600.097
2022-09-25T22:01:31LordJuliusManual testing2126967.503210.11718,4600.240
2022-09-25T22:01:31LordJuliusManual testing2126965.198200.03318,4600.069
2022-09-25T22:01:31LordJuliusManual testing269270--0.280--
2022-09-25T22:01:31LordJuliusManual testing270271--0.560--
2022-09-25T22:01:31LordJuliusManual testing271272--1.121--
2022-09-25T22:01:31LordJuliusManual testing272273--2.241--


ECM factoring results:
No ECM results for M426792467


Lucas-Lehmer results:
No L-L results for M426792467


PRP results:
No PRP results for M426792467


P-1 factor-bounds graph:
101
102
103
104
101
102
103
104
105
106
107
TF factor-bounds graph:
273
272
271
270
269
268
265
264
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:31+00:00