Divisibility of Product of Consecutive Integers/Examples

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Examples of Divisibility of Product of Consecutive Integers

Product of $5$ to $8$

\(\ds 5 \times 6 \times 7 \times 8\) \(=\) \(\ds 1680\)
\(\ds \) \(=\) \(\ds 70 \times 24\)
\(\ds \) \(=\) \(\ds \binom 8 4 \times 1 \times 2 \times 3 \times 4\)


Product of $10$ to $13$

\(\ds 10 \times 11 \times 12 \times 13\) \(=\) \(\ds 17 \, 160\)
\(\ds \) \(=\) \(\ds 715 \times 24\)
\(\ds \) \(=\) \(\ds \binom {13} 4 \times 1 \times 2 \times 3 \times 4\)


Product of $4$ to $8$

\(\ds 4 \times 5 \times 6 \times 7 \times 8\) \(=\) \(\ds 6720\)
\(\ds \) \(=\) \(\ds 56 \times 120\)
\(\ds \) \(=\) \(\ds \binom 8 5 \times 1 \times 2 \times 3 \times 4 \times 5\)


Product of $11$ to $15$

\(\ds 11 \times 12 \times 13 \times 14 \times 15\) \(=\) \(\ds 360 \, 360\)
\(\ds \) \(=\) \(\ds 3003 \times 120\)
\(\ds \) \(=\) \(\ds \binom {15} 5 \times 11 \times 12 \times 13 \times 14 \times 15\)