Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 128: | \[{30^{128}-1\over29}\] | 17 × 31 × 53 × 97 × 241 × 257 × 337 × 401 × 3361 × 3102977 × 4855073 × 249352417 × 69250296257<11> × 1015884157773292417<19> × 41439385338098953729<20> × 185302018885184100000000000000000000000000000001<48> × 262859848230065170673381130151853336104888444589441<51> |