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If sum of factorial of n consecutive natural numbers is a four digit number then find the maximum value of n

by | Aug 20, 2021 | Uncategorized | 0 comments

(Q). If sum of factorial of n consecutive natural numbers is a four digit number then find the maximum value of n.
Solution:-

0! = 11! = 12! = 23! = 64! = 245! = 1206! = 7207! = 50408! = 40320→✖→not a natural number✖Hence =total 7 terms 4 digit number

Hence max(n) = 7 Answer

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