Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 152: | \[{17^{152}-1\over16}\] | 23 × 32 × 5 × 29 × 229 × 457 × 1103 × 1559 × 2927 × 41761 × 247381 × 312931 × 20352763 × 202607147 × 291973723 × 11355003629541687711335762857918877977<38> × 796699736849174247608318245316124490909<39> × 3444529131463047887619903600034673275623840289262953<52> |