Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 725: | \[{3^{725}-1\over2}\] | 112 × 59 × 1451 × 8951 × 28537 × 391151 × 20381027 × 388560625903893405394183616138892653779673583851<48> × 183349688798536618131199274872809217263632838323547361<54> × 9718387317698288638458087116418737669605740647172163165570784896756553044625036003142851<88> × 280150453239293271454356814560699833655141847931776273188420830887184406797512722564498820690018672173165800579488070856438479651<129> |