Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 657: | \[{5^{657}-1\over4}\] | 19 × 31 × 439 × 829 × 429241 × 2183431 × 4853479 × 5729041 × 239701757320911389817996792709<30> × 9519524151770349914726200576714027279<37> × 366676038760615062548074285016706043440761337360791812501<57> × [89444526155396706939216094640328529777365691424281469572165749210892369695241626822521531994050472785876195137155949721907568808270398886762856560181417561555933490729862010951855262836817679020344963362165837052871658238438846466465542584269328538208846204470181595610284828595466919242862701173828001<302>] |