tables > repunit > 20

Base 20 Repunits

Table

Viewing: 78 – 78 << prev next >>

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

78: \[{20^{78}-1\over19}\] 32 × 7 × 79 × 127 × 421 × 1171 × 2081 × 2549 × 3121 × 142559 × 1340743 × 9690539 × 571945141 × 735408649 × 22969682841393367<17> × 172311318287603732461390609<27>

Index range: 78 – 78 << prev next >>