Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{19^{228}-1\over18}\] | 23 × 3 × 5 × 73 × 132 × 127 × 181 × 229 × 457 × 769 × 1217 × 6841 × 17443 × 108301 × 166783 × 1049219 × 168763321 × 87728062969<11> × 870542161121<12> × 13983359177311<14> × 80558460464029837<17> × 613821421717528748107<21> × 63496047634407305148193<23> × 81403978301424181910737<23> × 109912203092239643840221<24> × 8884596062918674650119991208333781915308073<43> × 125399940836947659760207148222911395702792697045633<51> |