tables > repunit > 20

Base 20 Repunits

Table

Viewing: 80 – 80 << prev next >>

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

80: \[{20^{80}-1\over19}\] 3 × 7 × 11 × 17 × 41 × 61 × 251 × 401 × 2801 × 76001 × 148721 × 152381 × 160001 × 222361 × 1505882353 × 32018865275041<14> × 4406613081041681<16> × 176495898629033039186561<24>

Index range: 80 – 80 << prev next >>