tables > repunit > 21

Base 21 Repunits

Table

Viewing: 670 – 670 << prev next >>

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

670: \[{21^{670}-1\over20}\] 2 × 5 × 11 × 269 × 40841 × 185641 × 278051 × 280061 × 324363426169571<15> × 312929837239650768379490219650039<33> × 71028332352256443443129296219339913167<38> × 6340822630701755986496764672651013784788497018816491797711071984283214713483666711<82> × 43535591991023778122706384521271773473684325075126424940716426231918382541596237665890885421985949697236252367222404244932827505816665405215639305279262876982935761122446017711580097573861212520655691027389213925706810769203550962600816492003063561402532708167400262091244302503383549639553156953197185856789859517256856128667344977523659571781<344> × 11084206726702978863448579503868266898710462641440219714998497856646439705888242091652851939599683697064664662502264718140193744630284641179093671772686292181453673836491202601011159179326679003213657707437526263475224504416573317131900713936689182402864859701726417087648698644915622880867324638318493036426733985669939996047355896806195893377480241<350>

Index range: 670 – 670 << prev next >>