tables > repunit > 28

Base 28 Repunits

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

50: \[{28^{50}-1\over27}\] 11 × 29 × 151 × 15101 × 53951 × 106801 × 637421 × 2606251 × 6813064001<10> × 7984305701<10> × 222929435014083414901<21>

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