Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 88: | \[{30^{88}-1\over29}\] | 17 × 23 × 31 × 53 × 89 × 241 × 3361 × 88793 × 5213693 × 77155937 × 259715809 × 279811489 × 610851724137931<15> × 252778567915678303049<21> × 269681814129218928977<21> × 66803214075022052730257<23> |