Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 430: | \[{22^{430}-1\over21}\] | 23 × 173 × 431 × 947 × 1291 × 224071 × 245411 × 2732221 × 259799207 × 448254361 × 521627340156760406731<21> × 13302304902550013539783198271<29> × 5928189493969854971555424440437874917187171<43> × 230381413915882509131006643270338220142016774517632612263<57> × 354353165977601583921218290796305589218347406746145719454722449611324688063620917083028367026317871549744469998597529913593976177224423485457827202241567551095969046426968336781<177> × [6744582991183680128553442591026033322292735208288248687144064952844502666491144497071860975536006984260217651295463773929324329971050782743269345850295490923054900560180222007943507932353593090859091618181<205>] |