Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 654: | \[{7^{654}-1\over6}\] | 23 × 3 × 19 × 43 × 5233 × 28962941977<11> × 135330649536067<15> × 14551288401737861<17> × 10059414761347582747<20> × 63505707690048880101785428103<29> × 23540782932240399632107200158745339309941271547<47> × 309936643044108190233102627233785196588910840411364776136097975124151<69> × 76253367358685486536296760171162603110867675936025342120036393297504949629729994793775115052566109900150033117022906306533916389808090943204658684064872055939<158> × 396190691458523638037305814779053566733579194799363850066135384194545732898800570658346376026372916873528038926396896568647998930280330940222334221788343050100447521116271435349837601<183> |