Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 621: | \[{3^{621}-1\over2}\] | 13 × 47 × 109 × 277 × 433 × 757 × 829 × 1657 × 4969 × 8209 × 8860429 × 1001523179 × 2461243576713869557<19> × 301565425726996051177<21> × 134738353536933730552513618349505999724046176185208477<54> × 56037810170128607485215702998215395873753992381472041909493199033<65> × 5816709168778200406213831925495457709609387513248926013657812925728744917307116476553171561962781<97> |