Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 441: | \[{15^{441}-1\over14}\] | 72 × 43 × 127 × 241 × 541 × 883 × 8527 × 21061 × 123229 × 399043 × 1743463 × 5706541 × 10164071 × 34953661 × 2764834801 × 1470374630929<13> × 2817034275427<13> × 4175288799599<13> × 269297040407347<15> × 1318922233366123<16> × 14675999570738648605387<23> × 3282154659041887520290410523<28> × 228848777235834187287069221085362591044067914515121<51> × [179795199809573715361418105676646900246654364362506972280785363354618888197263922873225004102447622043377550827383056613174239064966577066446644821713816913847039817242678043112076704572072915807197497688253114182560330787263543934968711757322788615028038314137090731733181432545187<282>] |