Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 260: | \[{17^{260}-1\over16}\] | 22 × 32 × 52 × 11 × 29 × 53 × 71 × 79 × 101 × 131 × 2861 × 21881 × 53171 × 63541 × 65651 × 70981 × 88741 × 212057 × 2001793 × 3710461 × 9882731 × 19825313 × 1224199237 × 2919196853 × 13938043025453<14> × 42774218980741<14> × 346638477380024845861<21> × 50529920121845997508355717618101<32> × 256543213498592579101758761102741785511<39> × 17681079015230546979472211342930348461497649778219763196061042704302400964343064290087111582763854549941<104> |