Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
152: | \[{19^{152}-1\over18}\] | 24 × 5 × 17 × 181 × 1217 × 3833 × 108301 × 1049219 × 870542161121<12> × 148490556214993<15> × 109912203092239643840221<24> × 67552947210940643628327889<26> × 8884596062918674650119991208333781915308073<43> × 11719600317229566201530091990746033666583710609114353<53> |