Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 502: | \[{7^{502}-1\over6}\] | 23 × 503 × 27611 × 8895962998159<13> × 2478471208462211<16> × 2504680205769399125418017<25> × 7398843004360382226199778563176650882609<40> × 358441332066854805231915780187591330142931907817705421623374078051291604908104405476854626129642414683370235380417030015540250583921<132> × 177669837175335119929176935701194838324252821819693597497081108536398599748700455000124352929722117028549948482221013097706100353941550906564040701778898732706050502407347416105293671115465331<192> |