Base 33 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 247: | \[{33^{247}-1\over32}\] | 4447 × 61751 × 5586803 × 235044707 × 10182798289<11> × 75999152791<11> × 307870362047<12> × 29228473104019333<17> × 7119115220160132274073<22> × [2067722669306175313996791869593921463091797364625542916938420402290194321075289419843266851322570228840999944082597772409075835768078351970175659194604016853164878173941322836032539569458167147217408565614587619961324460136399419030372418440215502790558251671039815304316885207707<280>] |