Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 256: | \[{30^{256}-1\over29}\] | 17 × 31 × 53 × 97 × 241 × 257 × 337 × 401 × 3361 × 3102977 × 4855073 × 249352417 × 69250296257<11> × 1015884157773292417<19> × 41439385338098953729<20> × 185302018885184100000000000000000000000000000001<48> × 262859848230065170673381130151853336104888444589441<51> × 6140041206258412387929379790105584539491280827718666653771013121<64> × 192021261448882472605326324621358806158025795875635220173909112507636453842274257488133037938091133612520341744655143321953281<126> |