Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 264: | \[{15^{264}-1\over14}\] | 26 × 13 × 17 × 23 × 67 × 89 × 113 × 211 × 241 × 397 × 463 × 617 × 859 × 1489 × 2333 × 3877 × 8537 × 63493 × 363567733 × 2562840001 × 3055718821 × 3089451817 × 18510347197<11> × 23504771357<11> × 62475406423<11> × 135088596919<12> × 4969143820807<13> × 536554814380116068153<21> × 654726612083455934881<21> × 856420938543915930300022777<27> × 1242372349304878460334100748539075308315312809<46> × 4621049279247371301343457996603795536544562081246485597089<58> |