Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 90: | \[{3^{90}-1\over2}\] | 22 × 7 × 112 × 13 × 19 × 31 × 37 × 61 × 181 × 271 × 757 × 1621 × 4561 × 387631 × 755551 × 927001 |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 90: | \[{3^{90}-1\over2}\] | 22 × 7 × 112 × 13 × 19 × 31 × 37 × 61 × 181 × 271 × 757 × 1621 × 4561 × 387631 × 755551 × 927001 |