Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 372: | \[{7^{372}-1\over6}\] | 24 × 3 × 52 × 13 × 19 × 43 × 181 × 311 × 373 × 1861 × 21143 × 149731 × 5463751 × 9754399 × 33947629297<11> × 405148344889<12> × 2211164386353499<16> × 5420506947192709<16> × 3999088279399464409<19> × 60515949735938678857<20> × 74502648768583254173<20> × 196846325409292090901<21> × 36148617745189465516342817701<29> × 3866324488620374693778318657223462067867054779<46> × 5771713150980740969698942911348042918772039325791960629999799838317<67> |