tables > repunit > 20

Base 20 Repunits

Table

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

219: 20219−119 421 × 439 × 92419 × 164251 × 6412324721641<13> × 8388017164299528473137529640945135276336333707655875659563939090886233451999<76> × 293849346041079601993694433392794507898406345675750688702804145842061614258429611743222820727951516909534294693026144954405411290300478125640709243985354806206178017959614120866529<180>

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