Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 979: | \[{4^{979}-1\over3}\] | 23 × 892 × 179 × 683 × 39161 × 585443 × 13815649 × 62020897 × 18584774046020617<17> × 7883576248112389199<19> × 618970019642690137449562111<27> × 38281715442782972717755560798217585497795172169893828456847577035633016304956490069518329961563502131<101> × 13770371461214502503465942927638814846732364355600391287961198163212871158551639640039218837020291853507373274785687320031367152135606940327866537608374707<155> × 416000380860322291505417438085197601650969965860973967728307545846416890262565076949514683072989335355820641121013103801109157846399226270733534090793156923301008744382063529864695629618145272362004158142827453334762538688587167921839449<237> |