Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 196: | \[{13^{196}-1\over12}\] | 22 × 5 × 73 × 17 × 29 × 197 × 1667 × 22079 × 435709 × 2710681 × 4478993 × 5229043 × 22896329 × 49517833 × 54461639 × 139310921 × 28082195177<11> × 4980348180221<13> × 23161037562937<14> × 16049801116294358590175881<26> × 1303929619014323295195519453212113<34> × 45342981373854539059067726530948061044049746325089<50> |