tables > repunit > base4

Base 4 Repunits

Table

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

72: \[{4^{72}-1\over3}\] 32 × 5 × 7 × 13 × 17 × 19 × 37 × 73 × 97 × 109 × 241 × 257 × 433 × 577 × 673 × 38737 × 487824887233<12>

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