Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
161: | \[{15^{161}-1\over14}\] | 7 × 829 × 25439 × 31741 × 45403 × 1743463 × 164006995391<12> × 3046462151831565769<19> × 3001167062138973417187<22> × 5847586221158834503394290382171<31> × 49245801647678195738356044293290778036681599139949047718848674404053262907912519619<83> |