tables > factorial > f2-1

n!! - 1

Table

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

61: \[61!!-1\] 2 × 67079 × 186113 × 460364831 × 17238040439<11> × 8994176805409<13>

Index range: 61 – 61 << prev next >>