tables > repunit > 28

Base 28 Repunits

Table

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

57: \[{28^{57}-1\over27}\] 3 × 271 × 457 × 90403 × 21084187 × 62830837877749<14> × 5504044949138999959<19> × 4652032620781659567810280156291<31>

Index range: 57 – 57 << prev next >>