Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 342: | \[{19^{342}-1\over18}\] | 22 × 32 × 5 × 73 × 127 × 199 × 229 × 457 × 523 × 6841 × 17443 × 29989 × 108301 × 166783 × 236377 × 1049219 × 35232500053<11> × 870542161121<12> × 7766130173689<13> × 13983359177311<14> × 80558460464029837<17> × 82387544623507621<17> × 193915648706998033<18> × 613821421717528748107<21> × 81403978301424181910737<23> × 109912203092239643840221<24> × 340801506876062492779357<24> × 652098348208287400914289<24> × 1754584723733815131518876941<28> × 74467893982468644068341124521<29> × 67049617990914529984062933953362543<35> × 11945064617605007958992500472982842209141<41> × 15981311580455792097781123528558007358499<41> |