Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 137: | \[{11^{137}-1\over10}\] | 8221 × 339761 × 3677081 × 136238281 × 394711476243912154244261783<27> × 8484330671964735334410088687724478887239719666748414214743814637516122598288562123255444499<91> |