Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 75: | \[{29^{75}-1\over28}\] | 13 × 67 × 151 × 181 × 12301 × 22111 × 50551 × 120691 × 732541 × 5902439266151<13> × 198587315383901<15> × 26180736800421451<17> × 1924278202630797034450648083768601<34> |