Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 364: | \[{20^{364}-1\over19}\] | 3 × 72 × 29 × 53 × 71 × 197 × 401 × 827 × 2081 × 2549 × 3121 × 10529 × 14561 × 32719 × 142559 × 502321 × 1380289 × 9690539 × 19431413 × 735408649 × 1424354653 × 3613618786597<13> × 628605693732325702045277<24> × 1366979435662943897263334321<28> × 172995133133409822116974743113009<33> × 104933918101562798067516186656513621<36> × 26978738007408250039203361847537582255681<41> × 42753079684768103157355121804168940801106384712792554767161<59> × 36155095652644369829655089758262653651050138927157184460927241<62> × 4958484803139311161399834163296914058796099757037538045383101802044561817632686079973120000021<94> |