Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 181: | \[{23^{181}-1\over22}\] | 10499 × 119099 × 5078861 × 1823259337 × 1559915792243339742707<22> × 881106232004264032707461490640766647298501907558899276139024612149707522114298380698763<87> × 8482334337545072457025638341468854575329145752536651767773456511420695005686128275390524460758008615912564386573<112> |