is 2 55360457 - 1
has 16665159 decimal digits
takes 117.333 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
Actual2704.316362.8571%----4.316362.8571%0.0000%
PrimeNet2692.156562.3188%240000100000002.37175.3599%4.528364.3385%2.0197%
GPU7227334.552564.3836%360000120000003.05533.9333%37.607865.7845%1.4009%
Difference-3-30.2363-1.5264%-360000-12000000-3.0553-3.9333%-33.2916-2.9273%-1.4009%

Known prime factors (2 factors, 131.0 bits, 0.00023655% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
55360457125797404288693812892063.448113616659892
22 × 3 × 53 × 178642547
2008-12-01531786425470.051029.91155.866
553604572094259340896342776892167.5051891475842492
22 × 37 × 179 × 7537 × 9473
2022-09-22753794730.81630.02350.0471

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
55360457263452388992110668730776700076784676112140130.953
P-1 results:
No P-1 results for M55360457


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-01T02:22:001997rj7Manual testing??63.448200.022241.10.046
1999-12-15T00:00:00ANONYMOUSv4_computers21253--2.16747e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers21253--2.16747e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers21254--4.33495e-5--
2000-05-31T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-22T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-07-20T00:00:00ANONYMOUSv4_computers21258--0.001--
2022-09-25T22:01:19LordJuliusManual testing25826663.448200.050241.10.103
2022-09-25T22:01:19LordJuliusManual testing266267--0.270--
2022-09-22T09:45:34TJAOIManual testing267268*67.505210.280240.10.572
2022-09-25T22:01:19LordJuliusManual testing26726867.505210.280240.10.572
2022-09-25T22:01:19LordJuliusManual testing268269--1.080--
2022-09-25T22:01:19LordJuliusManual testing269270--2.160--


ECM factoring results:
No ECM results for M55360457


Lucas-Lehmer results:
No L-L results for M55360457


PRP results:
No PRP results for M55360457


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
270
269
268
267
266
258
257
256
254
253
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:19+00:00