Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{13^{266}-1\over12}\] | 2 × 72 × 29 × 2129 × 22079 × 5229043 × 12865927 × 579016463719<12> × 9468940004449<13> × 104422877883960436477<21> × 7983601174254569126173<22> × 471169293768670286402171739575999678035849780118463231545088842634929866108496386288747<87> × 876888326003646957739121814711911814555937007963385213868622003501562224538027600538016170329361310597317151382384041<117> |