Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 287: | \[{13^{287}-1\over12}\] | 2205883 × 5229043 × 8639849 × 16997863 × 45077300269<11> × 6740847065723<13> × 37558177933613<14> × 934913354812014825287531<24> × 56454534133035098546165359<26> × 58047259977349384372529747126587<32> × 315007220113597594250624936422183538030354969<45> × 224753462565890496460048577318824095191140597340065417099150685202403236341453053723909278174559944156096936488016274544994410473<129> |