tables > repunit > 20

Base 20 Repunits

Table

Viewing: 657 – 657 << prev next >>

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

* 657: \[{20^{657}-1\over19}\] 421 × 439 × 92419 × 164251 × 18901891 × 64008001 × 202884229 × 6412324721641<13> × 146290410293940181<18> × 8388017164299528473137529640945135276336333707655875659563939090886233451999<76> × 293849346041079601993694433392794507898406345675750688702804145842061614258429611743222820727951516909534294693026144954405411290300478125640709243985354806206178017959614120866529<180> × [19766712031172754238998223738625824246470843249833325177513384791187158118149317050034570641342870807536992045238777925058424582738958641711455140155839520987554485554486993051490175700545870733474503516851443015427645493605382253180704162929488841939815483843520564882384934909613516198474884030073793672234421558977393027971003517608650794622144628105806841448789372605207801696715168958753976017284507365818098600841633764649372159921415849341769624267328261431887338920222389630717412703985390096367611775912293282872405124339<530>]

Index range: 657 – 657 << prev next >>