Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{17^{380}-1\over16}\] | 22 × 32 × 52 × 11 × 29 × 71 × 101 × 191 × 229 × 457 × 761 × 1103 × 1559 × 2927 × 14821 × 21881 × 54721 × 63541 × 88741 × 247381 × 312931 × 590141 × 20352763 × 202607147 × 243888371 × 291973723 × 1174280976101<13> × 4038152734741<13> × 11129164433501<14> × 796699736849174247608318245316124490909<39> × 187416943366963385362106843598027255297128873684044635328810579195148221<72> × 790258628122415702756879695009414803659288068090984593801128670245440884276421<78> × 17647870041549813319795800233111380915112552008894585350031985348462681776033267416507242526710510320682449877814777622076488980685947980041<140> |