Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 222: | \[{17^{222}-1\over16}\] | 2 × 33 × 7 × 13 × 149 × 223 × 307 × 1481 × 2591 × 779221 × 1336663 × 172683287783<12> × 268092542350510681<18> × 1016919604559540581<19> × 6218882581209875638403<22> × 281880352305551730895009697<27> × 154444626148846453748157373693602484616780292630146007130779449249392681<72> × 35350798796787001062972004050498687807511809746935623542363221441570438155787<77> |