tables > repunit > 31

Base 31 Repunits

Table

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

64: \[{31^{64}-1\over30}\] 210 × 13 × 17 × 37 × 409 × 1129 × 1889 × 4801 × 1347329 × 6139297 × 23277313 × 25085030513<11> × 55107727353928381036964167246494350909954881<44>

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