Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 605: | \[{19^{605}-1\over18}\] | 151 × 911 × 3631 × 4357 × 104281 × 242243 × 809491 × 62060021 × 5826560917<10> × 484536191701<12> × 3428390992571161<16> × 689192597827913521<18> × 73653951106215688253<20> × 4374340480551584141030741<25> × 13843334517406473243713891<26> × 1349371575303464499415003211<28> × 2762720155370058278742863792112809157901<40> × 7282485617590212016546578504741434383328384749971781<52> × [11020458761497792647962437411719799971669752749767409096622842359573400836032519355686080032106675374036179793638120572774145277358495510511624570016407036679814503336412909111494082845177284473939752649791954734766215401462679622061275189049902789461829216694596519253134159471985410684239007193745538959567604331766119040456229626806082010534693226822000416941472243045590295611695001528423161815517013629460137688582427684010852016458536764980499411279556961993365129737445764522013390372631<494>] |