tables > repunit > 21

Base 21 Repunits

Table

Viewing: 747 – 747 << prev next >>

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

* 747: \[{21^{747}-1\over20}\] 167 × 463 × 499 × 10957 × 756131 × 941221 × 2185723 × 13351381 × 64104553 × 85775383 × 41905574079441345694589359396489<32> × 23343519976297040387448341592997138604460338237413223529466429945751726176986579124533941307079<95> × 2173860862337982045334802960179813405517672855950877829757443471177425126106588003687946234524060021486858816229195692478179105662830101522605267272020279564800119518922843<172> × [2428634236962529320977549582295126891148651391448413843983565001907388280644032712313660344694009228893908152264282255875823950821459734204531819630722426446766379248173117697723239430381695765943678359770233768732764301950840251844235090907750881451667133542813903463786620004173376484715268617692164237310117240383919888771791146870091705062937034598651073424667343536006801205608991185783738046568127663735080100770164413385402383330831797169649999294933643000602191451413060111516429723782566899454209624567154163200059841454340289387205300817677847886682279723832145169583861954071511910076794767621139024462461827443427700611663859<637>]

Index range: 747 – 747 << prev next >>