Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 535: | \[{5^{535}-1\over4}\] | 11 × 71 × 6421 × 5486016363791<13> × 35411885288978941<17> × 172163150940018661<18> × 717433171088016374418821<24> × 618691336713427778212600657181<30> × 277267461900868216455231985933091<33> × 31185279260568044420127376167817331754427590708273556085046744199505935036838206891411<86> × 34529337257308359081720880980225298745731820148543445720162733310245390661497805379389193365791189338932339831819443273533662167293104258450594815341<149> |