Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 70: | \[{5^{70}-1\over4}\] | 2 × 3 × 11 × 29 × 71 × 211 × 449 × 521 × 631 × 4201 × 19531 × 15216601 × 85280581 × 4698932281<10> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 70: | \[{5^{70}-1\over4}\] | 2 × 3 × 11 × 29 × 71 × 211 × 449 × 521 × 631 × 4201 × 19531 × 15216601 × 85280581 × 4698932281<10> |