Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
167: | \[{7^{167}-1\over6}\] | 2158061509 × 623932374204290945359<21> × 494816894793945434195756741367539<33> × 338513172571109809642331758494895401592995616753557786006393013119421851044473<78> |