Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 231: | \[{17^{231}-1\over16}\] | 43 × 67 × 307 × 463 × 3697 × 13567 × 976669 × 25646167 × 940143709 × 2141993519227<13> × 15814892288119<14> × 93761010655159<14> × 63183887777606431620036734659574373415341987361849452469359581232953058529<74> × 110282810680294146269643456749259783317074299889287917921821584511150914840306137121238371411731166555573247374400674829570625749513<132> |