Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 276: | \[{13^{276}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 47 × 61 × 139 × 157 × 277 × 461 × 1151 × 1381 × 2347 × 7039 × 10903 × 28393 × 160081 × 159686609 × 1445443990517<13> × 6533247341521<13> × 84801400975699<14> × 282244620282733<15> × 602053110178724749481<21> × 2519545342349331183143<22> × 22271867346104672186904295489<29> × 54836637716450236990971812089<29> × 1577551654677578101258914545922231304801732231<46> × 298797673063414988269022822654683807810390405372800460969<57> |