Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[{5^{89}-1\over4}\] | 179 × 9807089 × 14597959 × 834019001 × 8157179360521<13> × 231669654363683130095909<24> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[{5^{89}-1\over4}\] | 179 × 9807089 × 14597959 × 834019001 × 8157179360521<13> × 231669654363683130095909<24> |