Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 442: | \[{3^{442}-1\over2}\] | 22 × 103 × 307 × 443 × 1021 × 1871 × 34511 × 398581 × 506533 × 797161 × 278300881 × 382910293648368568314248031658902581696912930968697755668745106402680464935197<78> × 60923689584342791398642907184808386306560206807547243570697195224906504237067588551869427<89> |