Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 278: | \[{23^{278}-1\over22}\] | 23 × 3 × 313307 × 80798477 × 65334455492101<14> × 3532723165886359<16> × 4857534564864402151<19> × 6532777380605979985113733<25> × 55378188028613593353897097943447185279414656782076501579888434867161967158480189<80> × 5481444272300280907082046794647333468065634679129760109650301216859528119558271904119<85> × 122273355958371991403102045779957735799516979947422587553128745040574142255158996896503237438659610443010394562182908291672727<126> |