Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 93: | \[{4^{93}-1\over3}\] | 3 × 7 × 529510939 × 715827883 × 2147483647 × 2903110321 × 658812288653553079<18> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 93: | \[{4^{93}-1\over3}\] | 3 × 7 × 529510939 × 715827883 × 2147483647 × 2903110321 × 658812288653553079<18> |