tables > repunit > base4

Base 4 Repunits

Table

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

78: \[{4^{78}-1\over3}\] 3 × 5 × 7 × 132 × 53 × 79 × 157 × 313 × 1249 × 1613 × 2731 × 3121 × 8191 × 21841 × 121369 × 22366891

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