Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 258: | \[{14^{258}-1\over13}\] | 32 × 5 × 61 × 173 × 211 × 1487887 × 68138548314176704687<20> × 18794094160316772254370452929<29> × 2920934527605580756190966962183<31> × 8541144684063565933692773061041272523162742407<46> × 463946824913680993986180054273124992668632036101476522784751<60> × 1748753565722783392523534914200559650310646829897838224851245388466145383320259583774888422823771<97> |