The greatest positive integer which divides \( (n+1)(n+2)(n+3) \ldots .(n+r), \forall n \in \mat....

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The greatest positive integer which divides
\( \mathrm{P} \)
\( (n+1)(n+2)(n+3) \ldots .(n+r), \forall n \in \mathbb{N} \), is
W.
(1) \( (n+r) \) !
(2) \( n+r+1 \)
(3) \( n \) !
(4) \( r ! \)


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