Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 272: | \[{11^{272}-1\over10}\] | 25 × 3 × 172 × 61 × 137 × 409 × 7321 × 11969 × 71707 × 264793 × 2218331 × 6304673 × 2481791513 × 9598959833<10> × 29584734433<11> × 641625222857<12> × 739755736441<12> × 14387579997041<14> × 50544702849929377<17> × 85554906358182623545481335980971521<35> × 39513645721657405334992238853792746889328806059006903439040217328194352550406663629632980855979005749712409762411371230481<122> |