is 2 18613327 - 1
has 5603170 decimal digits
takes 11.323 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
Actual2683.202363.2353%----3.202363.2353%0.0000%
PrimeNet2650.392061.5385%8000028000000.20134.7328%0.593263.3588%1.8203%
GPU722696.414063.7681%13000036000000.28143.4699%6.695565.0253%1.2572%
Difference-1-3.2118-0.5328%-130000-3600000-0.2814-3.4699%-3.4932-1.7900%-1.7900%

Known prime factors (2 factors, 89.1 bits, 0.00047843% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
18613327297813233928.1508
23
-881.925e-127.057e-61.436e-5
1861332721536055728079248471960.90157851172249
3 × 13 × 149 × 9955459
2016-03-1514999554590.01450.47860.8936

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
186133276413722382447449867061003512789.051
P-1 results:
No P-1 results for M18613327


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-03-15T12:13:46TJAOIManual testing260261*60.901190.00623.450.013
2022-06-24T02:43:32LordJuliusManual testing261265--0.375--
2022-06-24T02:43:32LordJuliusManual testing265266--0.401--
2022-06-24T02:43:32LordJuliusManual testing266267--0.803--
2022-04-11T17:13:58LordJuliusManual testing267268--1.606--


ECM factoring results:
No ECM results for M18613327


Lucas-Lehmer results:
No L-L results for M18613327


PRP results:
No PRP results for M18613327


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
267
266
265
261
220
230
240
250
260
270
280
290
2100
Last modified: 2022-06-24T02:43:32+00:00