tables > factorial > f2+1

n!! + 1

Table

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

57: \[57!!+1\] 2 × 71 × 2202202450068287<16> × 1583497226505824309969<22>

Index range: 57 – 57 << prev next >>