Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 292: | \[{22^{292}-1\over21}\] | 5 × 23 × 97 × 293 × 19293908309235221<17> × 4493831621328706884161237<25> × 4362374326112940284635767011<28> × 11412162028950534581626904213<29> × 1585760683434492728054623403870583591611<40> × 10174923178868967884983015175295518086105255580386628197<56> × 235182680089004877020603161953996871676113665587093143550167084281630604994062850277820759757837<96> × 86410063892706788405705305009383303446776226145592003052888938810771710318612578729346361058305889<98> |