Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 319: | \[{13^{319}-1\over12}\] | 23 × 419 × 859 × 1277 × 1973 × 2843 × 3539 × 18041 × 1058443 × 510502730123<12> × 846041103974872866961<21> × 6428231657169394351137985039<28> × [166889333058743653823971698732004705536592636534367771868819166445625365655025246310566096357473108008810644938767539888274878015725056313577618996271158617107967245817952604496233376159130121588112322430026699792448336202383585471206087237902880673454868605594883<264>] |