Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 346: | \[{7^{346}-1\over6}\] | 23 × 347 × 2423 × 50344039 × 471539527 × 153070037700933331054524248476494792173<39> × 9491935586594867440367391646466925926211879363793<49> × 6513759186767823281013599997593314445339383030361336381845840351185849683935654303109<85> × 2795470346154518601095703317279482175240316831812233463788382148771684556965122038863701628739457<97> |