SOLUTION: Please find the correct replacement for the question mark 1,2,6,24?

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Question 824387: Please find the correct replacement for the question mark 1,2,6,24?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
120
we have the counting numbers
1
1*2=2
2*3=6
6*4=24
24*5=120