Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 737: | \[{4^{737}-1\over3}\] | 23 × 89 × 683 × 4423 × 7327657 × 193707721 × 12148690313<11> × 761838257287<12> × 6713103182899<13> × 3556355492892313<16> × 5157050159173695487<19> × 17904041241938148871927<23> × 1963672214729590922916323781834466879<37> × 49929707724752567469731915956762751258933207272739486748238351859309991348433<77> × 40393566547943595749562506243285884534929026356774912763863482259566537671583290150415083011252727505582091<107> × 245646981125691497673324668265536334044341262452177697864695233686173498977525877540362298849614068695233671<108> |