Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 624: | \[{7^{624}-1\over6}\] | 26 × 3 × 52 × 132 × 17 × 19 × 43 × 53 × 73 × 79 × 157 × 181 × 193 × 313 × 409 × 1201 × 8737 × 45553 × 169553 × 486643 × 7524739 × 23850061 × 44975113 × 85094881 × 228511817 × 16148168401<11> × 115868130379<12> × 33232924804801<14> × 365302616611175569<18> × 1195857367853217109<19> × 7886422107556319674933<22> × 17712988461899423081645348353<29> × 1377454635342537460935008154217<31> × 76053626281572299980201419323699150165495621951615617<53> × 3386205922013055507653765937649698752187052365635260011015384000396201841<73> × 10876685470992760700818169875954484159860005620568806718357344747678228737<74> × 166850375418248203141785040335801611079902309552930607278265789249406119861285206526185473<90> |