Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 697: | \[{5^{697}-1\over4}\] | 409 × 2789 × 6971 × 16729 × 195161 × 466344409 × 1085001779 × 2238236249 × 5079304643216687969<19> × [25459841688975667812836622353080255772683515881669352524457354762410323159228330757676187115010546644303498999155765255934377673578256418300368455479426461928814747582944731959207204602079718955651344630333958597492220705360659624845936388501281451826993522404020372015332997033827835219795705331107602215693675106447971525258838489292319662952136895419471595545531481435722940313883580992564808966257738826500203611878909<422>] |