Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[{30^{208}-1\over29}\] | 17 × 31 × 53 × 241 × 313 × 337 × 401 × 547 × 911 × 1249 × 3361 × 13339 × 26209 × 178907 × 207169 × 252877 × 394993 × 1085657 × 4855073 × 4538397397<10> × 41441475557<11> × 610824628753<12> × 827802343057<12> × 10708105609969<14> × 2017218763920257<16> × 5020391042518801<16> × 11798035748251536190317782998331529637769<41> × 13530185739126761123422803574829241390551802901331873<53> × 89836671667830727753704682176104539278052536094398797681<56> |