Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 358: | \[{7^{358}-1\over6}\] | 23 × 359 × 41887 × 5227541273369<13> × 191499930339009469<18> × 484537357606024275557<21> × 97776360820654218154951<23> × 149874987000926513705179<24> × 19818717012982215688309021529<29> × 6938442029187052273925989461580235836595074219<46> × 497266837132546170846986222422763947941803455307492110202784960974386535259172871239382135887901333030018215532609574830309<123> |