tables > repunit > 20

Base 20 Repunits

Table

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

137: \[{20^{137}-1\over19}\] 1139265971 × 519124739914239138234099991<27> × 1550454239729214125594858269650609108408627458001480597404916790220082810453152846327131756809045902891421380387919201304423524421879627196561<142>

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