Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 329: | \[{18^{329}-1\over17}\] | 449 × 10529 × 20681 × 26321 × 80207 × 3687433 × 9065392337<10> × 283000552804612324998031105442040281801013193565594903<54> × [2907954267029544430901309806327346735985626182837894208586526093727052350236933251063837951636674959736697521009400881491279151761528259913482938851769391597610284716187622822863047019250130202259257367472918956429789272994504595759536377034279434258470341457055268249885999632362365537371554555787409059787357873587311991<322>] |