Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 975: | \[{4^{975}-1\over3}\] | 3 × 7 × 11 × 31 × 79 × 131 × 151 × 251 × 331 × 601 × 1801 × 1951 × 2731 × 3251 × 4051 × 7151 × 8191 × 100801 × 107251 × 121369 × 409891 × 5840251 × 7623851 × 10567201 × 22366891 × 51879585551<11> × 1133836730401<13> × 7812610577851<13> × 145295143558111<15> × 8837728285481551<16> × 9860942209386451<16> × 386263879315103401<18> × 26155966684789722885001<23> × 571403921126076957182161<24> × 1663763381192308635718252801<28> × 134304196845099262572814573351<30> × 1245660907214169781926561543788801<34> × 4613679391936953610429590532014122532260339739644049093601<58> × 136676778088193015037036862018432177034334500891572775415001<60> × 57341413334622705557475721108743226241034766870423031549494805066401<68> × 4294500770439625509689707482842762056791217143467781867769939979855730352201<76> |