147,855

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Number

$147 \, 855$ (one hundred and forty-seven thousand, eight hundred and fifty-five) is:

$3 \times 5 \times 9857$

The $26$th integer $m$ such that $m! - 1$ (its factorial minus $1$) is prime:

$3$, $4$, $6$, $7$, $12$, $14$, $30$, $32$, $33$, $38$, $94$, $166$, $324$, $379$, $469$, $546$, $974$, $1963$, $3507$, $3610$, $6917$, $21 \, 480$, $34 \, 790$, $94 \, 550$, $103 \, 040$, $147 \, 855$

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