Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 200: | \[{16^{200}-1\over15}\] | 52 × 11 × 17 × 31 × 41 × 101 × 251 × 257 × 401 × 601 × 1601 × 1801 × 4051 × 8101 × 25601 × 61681 × 65537 × 268501 × 340801 × 414721 × 2787601 × 82471201 × 3173389601 × 4278255361 × 44479210368001<14> × 3399426377632056001<19> × 4850484222084371979240001<25> × 432363203127002885506543172618401<33> × 129541188208935646963818844716591986208974410651257601<54> |