Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 113: | \[{13^{113}-1\over12}\] | 1583 × 5651 × 114025363 × 61349337746986017722692725938501380826299213257649660983422349704788968522764032871952828460266300559135616999<110> |