Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 243: | \[{19^{243}-1\over18}\] | 35 × 127 × 487 × 523 × 3727 × 29989 × 216919 × 907471 × 362063089 × 4336882723<10> × 5185990123586344273719727801<28> × 2276065971221523534462953608543<31> × 143852912904859944189167212434482550128654623324797709<54> × 100974986546704014563516474586369230337004982214028298769888689881<66> × 65140221325738941847890140465104076822470765033238048052360445403407818579514224570127<86> |