Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
253: | \[{6^{253}-1\over5}\] | 232 × 47 × 139 × 1013 × 3221 × 3154757 × 7505944891<10> × 75168534000121<14> × 259666046866989553234678839986188137176834471947<48> × 2859600152062800254841868994919157188120297228449282213285289003401454695346900493559620482558098405637427<106> |