Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 308: | \[{15^{308}-1\over14}\] | 25 × 7 × 23 × 29 × 67 × 113 × 463 × 617 × 2333 × 3389 × 4159 × 5237 × 8537 × 1743463 × 10678711 × 23504771357<11> × 4454215139669<13> × 28095816025663<14> × 536554814380116068153<21> × 96821654187863868183691<23> × 530990088764703731691529<24> × 97396386804396874728813793725029578905625789<44> × 233231979450578549516941109533238047237736577451339331<54> × 754603862913374520970712792076685424703938217025769601859702793357924444074704029940699749374025007161806367946221<114> |