Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 117: | \[{12^{117}-1\over11}\] | 37 × 157 × 6553 × 36973 × 80749 × 477517 × 17654521 × 20369233 × 111704871987697<15> × 774101091754693<15> × 5363939350752581033772013<25> × 18453409033565586419112697648130953<35> |