Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 198: | \[{16^{198}-1\over15}\] | 32 × 7 × 13 × 17 × 19 × 23 × 37 × 67 × 73 × 89 × 109 × 199 × 241 × 353 × 397 × 433 × 683 × 2113 × 5347 × 7393 × 20857 × 38737 × 42373 × 153649 × 235621 × 312709 × 599479 × 4327489 × 1761345169 × 2931542417 × 33057806959<11> × 98618273953<11> × 311712063697<12> × 8463901912489<13> × 15975607282273<14> × 242099935645987<15> × 5669586229480120735856356719714111819572775485914444634179633<61> |