Find out the next number in the series.
2345 , 120, 3121 , 6 , 4561, _ ,........
Answer
2345 , 120, 3121 , 6 , 4561, _ ,.......
120 = 2 * 3 * 4 * 5
6 = 3 * 1 * 2 * 1
Next number 4 * 5 * 6 * 1 = 120
2345 , 120, 3121 , 6 , 4561, 120 ,........