Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 518: | \[{12^{518}-1\over11}\] | 13 × 211 × 659 × 4943 × 8807 × 13063 × 665113 × 3933841 × 5250079 × 15995146399<11> × 4150805645839<13> × 30023720899326796981<20> × 13683163257201265013663<23> × 916996836381815091928033<24> × 196560666553286126588980353347341<33> × 27061148352191633314197974751800952154655200940479609<53> × 38301926123775932675850819840936135586361193770258334147956724334891959626736690257320381<89> × 367653862484321917223600882655490653031654291412081848764263376997991419066485841138559667151736370207751<105> × 35645102703214109165712745164762903460800311634952771444675027540639368034106265517950241811112299557924640173218129575076343708989777919719479231169613189<155> |