Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 847: | \[{3^{847}-1\over2}\] | 23 × 1093 × 3851 × 11617 × 51457561 × 844758839 × 7151459701<10> × 76831835389<11> × 3981923614021<13> × 27934005037272181<17> × 657890411545272648205502849240259841<36> × 67585636091101553932390258037819591394495216143<47> × 498087113740309120178305209308068670184601856873398286290295073853558047889875464083653944698797471809050860638284681495296796988806274563139706518767825612178019288671111800151721720917604618195510752078601620047507959341737924069548040909837<243> |