Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
292: | \[{7^{292}-1\over6}\] | 24 × 52 × 293 × 439 × 3067 × 20149 × 36793 × 279883 × 3675989 × 359390389 × 1958423494433591<16> × 7222605228105536202757606969<28> × 729810133110395035429089427259624129<36> × 7167647480643504302058174754486698790538818746798241<52> × 305666349984050020407521618850510874021711561005079274183829481426565783137<75> |