Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 299: | \[{23^{299}-1\over22}\] | 461 × 1289 × 47691619 × 480393499 × 831603031789<12> × 1920647391913<13> × 214681346362081<15> × 1517027069463361<16> × 25311688526949373666317461<26> × [36369287686690698173345955404611791160704918370014812497548391517970855104258984281621861370991103568679508792089093253781377672931761278799053967800896617602605904343649697008286726654333528612759943949401901177387914823828020100717168623620847350398662173829958678514678043235256979700724602689764100541<305>] |