tables > repunit > 31

Base 31 Repunits

Table

Viewing: 639 – 639 << prev next >>

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

* 639: \[{31^{639}-1\over30}\] 32 × 331 × 853 × 3637 × 17609 × 24709 × 81343 × 611127785361198601<18> × 46126653318552902527<20> × 1037261500423041713741749<25> × 642443809919609072204778169817<30> × 2005748436597103960301617527883393<34> × 37141302977105581064921322418772202338727337015016057<53> × 1413613268986018208953297622812326295096160816132536221892073522923114070700117436686302479232868706025709274958926759395438515840933892337364812335704859054211691130841<169> × [4921036967851672323547743299443775727415775984084545959596239011837553771198063375990375150541109049930142203392095576786276775333626912356735127961438050275094034650851901355494511786379073429458577876723117448105314416529856875449160733857419500394605546061754300164002197618761534948247434704405616086754585451337781856059370957894762819038676777556060974856569574412507649839487514210714443942364706961710132000434530642583487237120718373754883770602465524300815003638174613628711875758433422887475852581711909108389996897010586799902639592806219232386322109069662875411471364387<583>]

Index range: 639 – 639 << prev next >>