Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 256: | \[{11^{256}-1\over10}\] | 29 × 3 × 17 × 61 × 193 × 257 × 7321 × 15361 × 51329 × 6304673 × 111489577217<12> × 447600088289<12> × 316955440822738177<18> × 574341646346402207998363393<27> × 21283620033217629539178799361<29> × 4018529583345312964042058778793458689<37> × 7032401262704707649518767703756385761576062060673<49> × 2513867991837362316715332574077411130744618580176804609<55> |