Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 715: | \[{4^{715}-1\over3}\] | 112 × 23 × 31 × 89 × 131 × 683 × 881 × 2003 × 2731 × 2971 × 3191 × 8191 × 201961 × 409891 × 519091 × 724153 × 7623851 × 48912491 × 6156182033<10> × 10425285443<11> × 158822951431<12> × 176510711521<12> × 15500487753323<14> × 145295143558111<15> × 166850044395914881<18> × 249602191565465311<18> × 598887853030285391<18> × 5782172113400990737<19> × 6918033884710380409642384916290854761<37> × 20305423994910298448548284000861306574034631186781563199169583489977779841<74> × 40437156024702109576962112690515640573348784018939257192870865875822732631168387328482154414164150624064713711<110> |