Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 609: | \[{5^{609}-1\over4}\] | 31 × 59 × 379 × 5569 × 6961 × 19531 × 35671 × 493291 × 519499 × 22125996444329<14> × 4978655062910170670969991331<28> × 28870194250662203210437116612769<32> × 870644868196664798437471040084684397998331787855406407455272073598393651325508166801<84> × [8858038898088434487100521663377480008697309518875951275376943573633986625072460522228118296100747514460194994138018387478269699962390494728030797431164359379701196368854784046920695889625733542405147140648523869451656952381134030781281<235>] |