Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 182: | \[{20^{182}-1\over19}\] | 3 × 72 × 29 × 71 × 827 × 2081 × 2549 × 3121 × 10529 × 32719 × 142559 × 9690539 × 735408649 × 104933918101562798067516186656513621<36> × 42753079684768103157355121804168940801106384712792554767161<59> × 4958484803139311161399834163296914058796099757037538045383101802044561817632686079973120000021<94> |