Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
77: | \[{29^{77}-1\over28}\] | 7 × 23 × 25873 × 36191 × 101333 × 292601 × 88009573 × 18944890940537<14> × 1385702521378303805293<22> × 139154040795711051908562500673414322414692379103<48> |