Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 273: | \[{7^{273}-1\over6}\] | 3 × 19 × 29 × 1093 × 4733 × 486643 × 7524739 × 44975113 × 7304123737<10> × 11898664849<11> × 16148168401<11> × 231410451435538144122809<24> × 3565837331172073232378945297<28> × 894265285117657047082911243254861366638596090445735393<54> × 58844987696963254823072572156360737343895431774665938980589831149<65> |