Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 456: | \[{19^{456}-1\over18}\] | 24 × 3 × 5 × 73 × 132 × 17 × 127 × 181 × 229 × 457 × 769 × 1217 × 3833 × 4297 × 6841 × 17443 × 108301 × 166783 × 1049219 × 3952393 × 168763321 × 87728062969<11> × 111595785601<12> × 870542161121<12> × 13983359177311<14> × 49440092631121<14> × 148490556214993<15> × 44293570598152273<17> × 80558460464029837<17> × 474982219837727617<18> × 613821421717528748107<21> × 63496047634407305148193<23> × 81403978301424181910737<23> × 109912203092239643840221<24> × 67552947210940643628327889<26> × 8884596062918674650119991208333781915308073<43> × [174979386128574331953528688544277270231048868718823907274127770668102295302953130241493277717278496786949979416425678797246772279092428671346861914892383627275847035795843770669710775413568864056683998869975685750340270661214449<228>] |