Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
228: | \[{3^{228}-1\over2}\] | 23 × 5 × 7 × 13 × 73 × 229 × 457 × 1597 × 2281 × 2851 × 3079 × 7753 × 53923 × 101917 × 248749 × 363889 × 5301533 × 1162320517 × 1824179209 × 25480398173<11> × 3093009324389492947932121<25> |