Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 61: | \[{17^{61}-1\over16}\] | 15103230859721<14> × 4722743517602912319810923441122498349478034813612513477513781<61> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 61: | \[{17^{61}-1\over16}\] | 15103230859721<14> × 4722743517602912319810923441122498349478034813612513477513781<61> |