tables > repunit > 28

Base 28 Repunits

Table

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

66: \[{28^{66}-1\over27}\] 3 × 232 × 29 × 67 × 199 × 271 × 757 × 2377 × 365773 × 6077039 × 50545507 × 212170597 × 7351568071<10> × 540610746853<12> × 425141076149786955572181811<27>

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