Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 163: | \[{10^{163}-1\over9}\] | 5764066668537270911379761<25> × 403925722833778378107304989280994102850314855068615959021587563<63> × 477229173213473388632795854908402490998658711970854444982384399373804471077<75> |