Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 384: | \[{5^{384}-1\over4}\] | 27 × 32 × 7 × 13 × 17 × 31 × 97 × 193 × 313 × 601 × 641 × 769 × 2593 × 11489 × 390001 × 29423041 × 75068993 × 152587500001<12> × 241931001601<12> × 3666499598977<13> × 5207826497153857<16> × 240031591394168814433<21> × 539344757336151926206665601<27> × 96132956782643741951225664001<29> × 293873587705571876992184134305561419454666388650920794134435709565877914428710937500000001<90> |