Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
337: | \[{3^{337}-1\over2}\] | 8089 × 338861091937<12> × 736092762241<12> × 15275089234692457928399830093894547965466024864202146371213243156106285906075894973332186245237882870960420708777842267535014628868137<134> |