Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 261: | \[{26^{261}-1\over25}\] | 19 × 37 × 59 × 349 × 125803 × 506689 × 17830999 × 308933353 × 368920021 × 34521554245831<14> × 73355903553709150436991421893506428181<38> × 414699692608243377845852290488266105663359<42> × [41286374829439390810399036823109673704522198056653908774459955768502935656347786805698785548777637981438173565020590426204178269329599892765541624137275159029570635421938446662897875643250574886334892433642268116749977139855378638667<233>] |