Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 221: | \[{22^{221}-1\over21}\] | 79 × 239 × 443 × 2003 × 74729519 × 49171469257<11> × 85107437663<11> × 176634767651<12> × 2118765031699056632503<22> × 109226609077382170242779<24> × [105298739470578953504837988625178935348463528767778653421419062076331037322047537344315918037091034807036853626544384208544821124436450720446462783807001298373272652973116838095754504871150900424517613<201>] |