Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 851: | \[{5^{851}-1\over4}\] | 149 × 8971 × 13971969971<11> × 183870215509<12> × 332207361361<12> × 776079464569<12> × 8737481256739<13> × 95616784644119<14> × [2251032206657900873641818598846974788527145109670721588176828265827351653299840998844055833475996653426708495017350505475160254861254206543125384955566919033602417538704399090975344559200239904958009351727805227060848160618169133163500844895094581221713079093831059208636430520956733468975241848962125704610784602397685289099245022194762622757885737146710623245470443838260660430423154593860485204421831541194745236714113380406417282769946949568115279613532328418565500299905359281581845664128243030219258424234040979<517>] |