Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
50: | \[{29^{50}-1\over28}\] | 2 × 3 × 53 × 11 × 31 × 151 × 401 × 732541 × 5902439266151<13> × 198587315383901<15> × 35398913504384285261362997701<29> |