4,5,9,27,123,_ what is next number?

Answer Posted / ndkhanh1989

The Answer is ...723,5043...
Answer:
4*2-3=5
5*3-6=9
9*4-9=27
27*5-12=123
123*6-15=723
723*7-18=5043
The number next is 723,5043
5,9,27,123,723,

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