Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 249: | \[{25^{249}-1\over24}\] | 3 × 7 × 31 × 167 × 499 × 12451 × 169321 × 20515111 × 64613577662440706821<20> × 486307761332920261532701<24> × 1431185706701868962383741<25> × 4029666108840585686296627<25> × 7726419616728409660092049<25> × 88040095945103834627376781<26> × 2560787702841639767474730913969<31> × 104329813967341854028495594566831365599906075380454045137769<60> × 658905502511560410367980761943121888014700797430466198154608059606100480995518466151786569<90> |