Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 504: | \[{7^{504}-1\over6}\] | 25 × 32 × 52 × 13 × 19 × 29 × 37 × 43 × 73 × 113 × 127 × 181 × 193 × 337 × 409 × 911 × 1009 × 1063 × 1201 × 2129 × 3361 × 4733 × 9829 × 42409 × 51031 × 117307 × 137089 × 250993 × 309079 × 517553 × 894097 × 2304793 × 20801593 × 67979647 × 515717329 × 1506625093 × 5807636353<10> × 11898664849<11> × 13564461457<11> × 13841169553<11> × 31864919689<11> × 32952799801<11> × 4894546210513<13> × 497067486989473<15> × 195489390796456327201<21> × 1242952312910322705348673<25> × 2232059760329037670187857<25> × 478817600550381337769298251569<30> × 2643999917660728787808396988849<31> × 378063753860405247739880147553087649<36> × 32187984203875238994223674223456851361<38> |