Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 803: | \[{4^{803}-1\over3}\] | 23 × 89 × 439 × 683 × 1607 × 1753 × 11243 × 2298041 × 78366377 × 1384018681 × 1533745237729<13> × 9361973132609<13> × 1795918038741070627<19> × 214863145125509028597735617<27> × 2762339998302448893880313142073<31> × 3736466000478735531744529269910404686590249432806808172410820028453362377924954475050904726442027867925638633713537193401016499086945743085700506306097297<154> × 3423197779767032454333548946282010943685553618034569068004593250364030282947141183955308987831088702724243552165703783298883841912074615674036301447466850334286910584312908398287319654281<187> |