Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 490: | \[{11^{490}-1\over10}\] | 22 × 3 × 5 × 43 × 712 × 211 × 491 × 3221 × 7351 × 7561 × 10781 × 11467 × 13421 × 17011 × 45319 × 800171 × 1623931 × 1649341 × 10047871 × 176784259 × 510810301 × 1065264019 × 42437717969530394595211<23> × 345598612291320615082871<24> × 12216580378839012896357471<26> × 33761096386802842263303497<26> × 100641220283951395639601683<27> × 358991345455489961835259460247719272631<39> × 35298179827301484394489355118456864978337754561<47> × 807270496729887403092382571893065030391915520721937666752401126406996663207240529721<84> × 48136912902954849365165455301260949822592138833719322211342751512875555407672259284464304215187810112045882772647519768111<122> |