3507

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Number

$3507$ (three thousand, five hundred and seven) is:

$3 \times 7 \times 167$

The $19$th integer $m$ such that $m! - 1$ (its factorial minus $1$) is prime:

$3$, $4$, $6$, $7$, $12$, $14$, $30$, $32$, $33$, $38$, $94$, $166$, $324$, $379$, $469$, $546$, $974$, $1963$, $3507$

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