Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[{19^{171}-1\over18}\] | 32 × 127 × 229 × 523 × 6841 × 29989 × 35232500053<11> × 7766130173689<13> × 80558460464029837<17> × 81403978301424181910737<23> × 109912203092239643840221<24> × 340801506876062492779357<24> × 652098348208287400914289<24> × 1754584723733815131518876941<28> × 11945064617605007958992500472982842209141<41> |