Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 294: | \[{18^{294}-1\over17}\] | 75 × 19 × 43 × 307 × 449 × 883 × 29009 × 46747 × 80207 × 101921 × 170227 × 19148809 × 32222107 × 59246587 × 134540281 × 607371619 × 32401295018849<14> × 156107192084257<15> × 86651455669280587<17> × 139362986236635048339131<24> × 758731371523702913633641<24> × 15944803462923633762605952120076033<35> × 458444451080588699055072521480601351354738492444980644286678549587<66> × 20684766401518363796396833811720566410775404979640152761413256241131578671440317871550774360898623<98> |