Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 255: | 3 × 5 × 11 × 331 × 2521 × 17351 × 108971 × 934831 × 327412201 × 1961163283 × 391206807721<12> × 21736504684553261<17> × 751670559138758105956097<24> × 9282032559881031020831684346151<31> × 261116663697161542351918133573442849307<39> × 292415865518548212725264181682005402545390163298379652017348311<63> × 9335690884687918789820878424837145419575036232341763910117962625051968596802531164520855175589507839851473974812245528451773288742123014463588090322681241<154> |