Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 909: | \[{5^{909}-1\over4}\] | 19 × 31 × 829 × 65449 × 15025771 × 126463111 × 588104821 × 5937018283241<13> × 559990511522929<15> × 3434487311396589821473854121<28> × 483593153887747265029536907421<30> × 897449797190508611732321830427288714681382628177991026939<57> × 442186171761555778273239995709586746484098102327396108135444422984734682149<75> × [738140963133644383244234385889281680453707745075418367622402880996045545639949572502671131451038236839549108056227839579348010419529957396291592073649247013999423968806411828007154429560070212008820176045588597549874225526007225719397980055310849215622715331387860410028808358174233499118769804164505122198179875579264795863544857924323764882242717109509947562088988221020855410604191<384>] |