Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 430: | \[{19^{430}-1\over18}\] | 22 × 52 × 11 × 151 × 431 × 911 × 1721 × 2251 × 2753 × 4983701 × 45597803 × 775676906583182411<18> × 55578787747850091391<20> × 69456939989229889776307<23> × 18917672548149688895557513<26> × 28461948730641665973894996037<29> × 609379550333449441860066559010310686681<39> × 34767827087100028553832142305855172668641<41> × 9356125872032561161065854130013550419006958087411959344817263774091<67> × 589783071143701597015505434603593565781950199942595467097772380090363403209256753576151<87> × [13635166778376935660428011756275196453376965334849861601071180809879487116028280589055437296609570477787169559265844845771324653768845361451707106332087995807705932221<167>] |