Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
55: | \[{30^{55}-1\over29}\] | 1321 × 837931 × 81370145080291<14> × 610851724137931<15> × 9119031913911026141<19> × 119897549313640236323021<24> |