Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
295: | \[{3^{295}-1\over2}\] | 112 × 739861 × 14425532687<11> × 311834125441<12> × 489769993189671059<18> × 1243704975397142761851514391<28> × 15800757982738113728531939755751<32> × 72671090167909305342577926625186381<35> |