Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 530: | \[{19^{530}-1\over18}\] | 22 × 52 × 11 × 107 × 151 × 911 × 1061 × 2251 × 13781 × 7572641 × 10094911 × 104095533511<12> × 323930821687153<15> × 17659696912855321<17> × 2551089855701675251204783<25> × 37334173314913678536474517<26> × 210146007928707977384770009<27> × 135818088892456368195992838307<30> × [63273168834879890641016043670334485761618997282091235171986615569198781335141302539412237738597072689656310250126778821491587283371020337009051915666275624360083651265312008096844997930480951430405391302312651309535689723276185719691<233>] × [7307090475951232423382501438983597788157360003744968554773918769733496297011880738987508912297190014414940506330635562479604292445857420963119479171793308470918557135532833840836080559942204056583003736441384401020546751117827792759960527429701910054498223904541<262>] |