Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
425: | \[{3^{425}-1\over2}\] | 112 × 1871 × 8951 × 34511 × 391151 × 2663568851051<13> × 862970652262943171<18> × 49354957842491569509980274834655501<35> × 445538977312957153485923190322961189401<39> × 21616934854347598728013933214475337778263206659256633353893859212513919436626701<80> |