Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 756: | \[{7^{756}-1\over6}\] | 24 × 33 × 52 × 13 × 19 × 29 × 37 × 43 × 109 × 113 × 127 × 181 × 379 × 757 × 811 × 911 × 1009 × 1063 × 2377 × 4733 × 7561 × 9829 × 26893 × 28729 × 51031 × 117307 × 198829 × 250993 × 309079 × 415801 × 2304793 × 2583253 × 20801593 × 67979647 × 1506625093 × 11898664849<11> × 13564461457<11> × 13841169553<11> × 30584009107<11> × 31864919689<11> × 167039577217<12> × 590297313273013<15> × 1628413557556843<16> × 2721626296394041<16> × 3115861585149097<16> × 75736555536290042899<20> × 195489390796456327201<21> × 18397322679534794579809<23> × 150497847036363835206199<24> × 1707078974907610627202377<25> × 5906255349477660375285361<25> × 2643999917660728787808396988849<31> × 113250051026989562421963789434960977<36> × 378063753860405247739880147553087649<36> × 4170424008271819016426581068932393653878778841379978585580186237<64> × 90589364757125563613197831460092309433088415065817791580835597589472714656262185015889<86> |