p lmfaHel

Hello, 

$\prod _{n=2}^8n$

$\prod _{n=2}^8a_n=a_2\cdot \:a_3\cdot \ldots \cdot \:a_8$

$a_2=2, a_3=3, a_4=4 ... a_8=8$

$2\cdot \:3\cdot \:4\cdot \:5\cdot \:6\cdot \:7\cdot \:8$

$40320$

-Vinculum