Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 238: | \[{19^{238}-1\over18}\] | 22 × 5 × 197 × 239 × 701 × 70841 × 226871 × 589289 × 3044803 × 1543628017 × 99995282631947<14> × 19987548346939727<17> × 274019342889240109297<21> × 19334422649069921660849<23> × 3733480699267356089008872256290307<34> × 244972479455639392602567670416624137237893<42> × 14230938972707364866904631537844001569416081<44> × 302456062558633416285945496078619952885344455462194555939240674941632391<72> |