Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{7^{189}-1\over6}\] | 33 × 19 × 29 × 37 × 109 × 757 × 811 × 1063 × 2377 × 4733 × 2583253 × 11898664849<11> × 5906255349477660375285361<25> × 2643999917660728787808396988849<31> × 4170424008271819016426581068932393653878778841379978585580186237<64> |