Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 346: | \[{19^{346}-1\over18}\] | 22 × 5 × 347 × 5366461 × 35401337 × 96327484711<11> × 4404244108910731<16> × 5771606046967574197<19> × 167924950611732218340597137890941599471971<42> × 28933262622870754160910425435012146660907328421<47> × 10366754260019612463918605529134047050221813687547719031264253<62> × 390232962641934443121909700399101765647541203247373825643163920571476359<72> × 704999642897050665633441763484959356125694703249914848038236274086576481267627<78> × 34899542992350301857787803367746606156836220192649180086062867626381729915391069<80> |