Pattern Recognition - 231

Find out the next number in the series.

1675 , 210 , 3452 ,120 , 7643 ,.......

Answer

1675 ,   210 ,   3452 ,  120 ,  7643 ,.......

210 = 1 * 6 * 7 * 5 

120 = 3 * 4 * 5 * 2

Next number   7 * 6 * 4 * 3 = 504

1675 , 210 , 3452 ,120 , 504 ,.......