Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
479: | \[{3^{479}-1\over2}\] | 2017549 × 52133736060349<14> × 257620598280719473<18> × 10332092185328194888766505728921146249<38> × 6207821462901425433845023147658528867171568080964757303821693751656232261111765244802501801178843384226652402554339438660293995244383558964789624885773829<154> |