Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
80: | \[{29^{80}-1\over28}\] | 24 × 3 × 52 × 11 × 17 × 31 × 41 × 401 × 421 × 1061 × 26209 × 353641 × 561377 × 732541 × 1056241 × 128971441 × 470925821 × 4966942978351201<16> × 92552932737272641<17> × 6103563899172302171321<22> |