Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 244: | \[{19^{244}-1\over18}\] | 23 × 5 × 181 × 733 × 8053 × 12689 × 84510011 × 1292509969 × 142920649702891953961<21> × 1135764727383323495449<22> × 5718069471437660205850045735213<31> × 547571640401156987746344070673111<33> × 56065687629692436349945381294682921858769274981456436532996640647681369599401<77> × 34140159348429831807531452681520438495109814541707021193087540884104643063512618252113549634601357<98> |