Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 375: | \[{15^{375}-1\over14}\] | 11 × 61 × 241 × 251 × 4931 × 20101 × 37501 × 46751 × 318001 × 39225301 × 3123902175001<13> × 316091724098401<15> × 118648384169866501<18> × 7112705843777290751<19> × 15126087361948906501<20> × 2718938036486102674173251<25> × 5550460962361225116444001<25> × 17402794883183351929087891501<29> × 5957346676587042681973111523596421999420361763994295377295742004155127441032747687666014001<91> × 44541574642253100444472731918318477911111488471845814825130710792755432836636188025475404800875041143560682608327604453600375809859539144412002793252501<152> |