Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 247: | \[{22^{247}-1\over21}\] | 79 × 1483 × 2003 × 45943 × 341203 × 85107437663<11> × 97404596002423<14> × 2689665966143053<16> × 1651806270784920251<19> × 1017449240617502725032859<25> × 13085318874203258373265387193138120967180124538812933633383653148257673802923062132211422409768615896800296151044934392036315396492785561174044957849404188435798368450269472907844295670629810862838486752754589354977617036634740621<230> |