Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 448: | \[{16^{448}-1\over15}\] | 17 × 29 × 43 × 113 × 127 × 257 × 449 × 641 × 2689 × 5153 × 10753 × 65537 × 274177 × 1489153 × 6700417 × 15790321 × 183076097 × 48919385089<11> × 54410972897<11> × 67280421310721<14> × 358429848460993<15> × 59649589127497217<17> × 39257233394241687553<20> × 5704689200685129054721<22> × 167773885276849215533569<24> × 37414057161322375957408148834323969<35> × 328516339886958171419482857961643272193<39> × 12914340854285079433782775726161803964147713<44> × 77338582801985556033595814340666648061420033<44> × 229129451218312636212271855141890456413162628857895305855807471764733953<72> × 26459340441441866087731114978932791810378456514228699635808330483947834929412856490368283423658331445600601857<110> |