Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 396: | \[{7^{396}-1\over6}\] | 24 × 32 × 52 × 13 × 19 × 23 × 37 × 43 × 67 × 181 × 199 × 397 × 661 × 1063 × 1123 × 1409 × 3631 × 29569 × 117307 × 173647 × 257401 × 293459 × 1532917 × 2784937 × 10746341 × 12323587 × 678240817 × 8095532743<10> × 13841169553<11> × 83960385389<11> × 244188888967<12> × 116320403133001<15> × 1357105535093947<16> × 246830400797725347589009<24> × 257736175658549346017402101729<30> × 14658652062814508164798530246267135510037033<44> × 10232202069201119706208565528426952337052080318929127296413742428899837<71> |