Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 649: | \[{6^{649}-1\over5}\] | 23 × 3154757 × 1808356727 × 4866979762781<13> × 29050941569087<14> × 11522163007228653937<20> × [9800762645805119274851402784749535836690719704596766732179319620999646127420584667328351847790714357814606916774091226126926508998373686063818839951754365465732974136422344674873153243376573205507169613810696402736315536757166351984775821961973904342764951643328604110488728647354093443087727477621015500745767958181466843810905080406458218911640914392789591073862438919943428183448084050525759508065449795893390863303150141434841563020858013<442>] |