Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 434: | \[{7^{434}-1\over6}\] | 23 × 29 × 113 × 311 × 373 × 911 × 4733 × 21143 × 604997 × 9754399 × 25638551 × 10471226501<11> × 1956808820481173<16> × 5420506947192709<16> × 3999088279399464409<19> × 602858801824822604293<21> × 626475940065539137153553<24> × 3880053969769335736807493<25> × 1048084151605026323873056941440759<34> × 33366486734089763182819015138234649<35> × 14784849807251837047947491359227676537<38> × 4113421279452766305416401685483933276259473<43> × 17000527701935476130693003872474495857034746189773<50> |