Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 153: | \[{14^{153}-1\over13}\] | 103 × 211 × 397 × 18973 × 136273 × 22771730193675277<17> × 32334112193463066794091099939307<32> × 106692311852755738213140184743977430196470487952629984929544187886115058983235432866699974432093426878951486281<111> |