Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 611: | \[{3^{611}-1\over2}\] | 1223 × 15887 × 21997 × 797161 × 5112661 × 96656723 × 5633044847<10> × 15622035118631803488169965683<29> × 14652399720340093144861352182330341522792941892683758508113<59> × 1481247318971547722760071618507137280994610718537744680332486194431404731<73> × 5161578888007532626635327710658480660902662394167981964993393418047465113612725527943291841<91> |