Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 288: | \[{19^{288}-1\over18}\] | 26 × 32 × 5 × 73 × 132 × 17 × 37 × 73 × 97 × 109 × 127 × 181 × 199 × 241 × 523 × 577 × 769 × 1009 × 3833 × 4297 × 4657 × 14929 × 15073 × 24841 × 29569 × 29989 × 35533 × 211573 × 236377 × 563377 × 3952393 × 8965830241<10> × 7957659850849<13> × 472594473124993<15> × 221901363412892497<18> × 1486811410142377153<19> × 197204739380896284545766121<27> × 13590251810522070090215997499057<32> × 27592829534412376509944696269537<32> × 83198449060887472631140495091974297750081<41> × 4925726607196459807234769552854731278794321276923612799251972936961<67> |