Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 810: | \[{8^{810}-1\over7}\] | 36 × 11 × 19 × 31 × 73 × 151 × 163 × 271 × 331 × 487 × 631 × 811 × 1459 × 2593 × 6481 × 9721 × 15121 × 23311 × 71119 × 87211 × 135433 × 139483 × 262657 × 348031 × 537841 × 18837001 × 74967931 × 97685839 × 272010961 × 2437880491 × 49677578641<11> × 448217524891<12> × 10360573664851<14> × 16753783618801<14> × 49971617830801<14> × 54595521268291<14> × 192971705688577<15> × 385838642647891<15> × 1969543281137041<16> × 7317109576021321<16> × 11096527935003481<17> × 3712990163251158343<19> × 10429407431911334611<20> × 918125051602568899753<21> × 4118408687411658054091<22> × 508921134248025317532282604291<30> × 17645665556213400107370602081155737281406841<44> × 660657672518832002413997900375962405769331474918483722521<57> × 1394956570413460465950111061263729185531328588412966667305371120828252991735139698095046722952623703629247810920691<115> × 35587730061651572813645091915392646587500419941226352943003407923114622009461764361082185123933692044046427168174533156579030041<128> |