tables > repunit > 20

Base 20 Repunits

Table

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

183: \[{20^{183}-1\over19}\] 421 × 1831 × 1575631 × 74324733207911<14> × 3572703348960001<16> × 5659784747821331230431654824725808002385097133154909051<55> × 353492674369674794757764552210659429026885470059796432698757021843303970099602513120554721932049833187172512456023830424336578624285934087981<141>

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