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Getting factorial of a number in Julia – factorial() Method

  • Last Updated : 21 Apr, 2020

The factorial() is an inbuilt function in julia which is used to return the factorial of the specified number n.

Syntax: factorial(n::Integer)

Parameters:

  • n: Specified number

Returns: It returns the factorial of the specified number n.

Example 1:






# Julia program to illustrate 
# the use of factorial() method
  
# Getting the factorial of 
# the specified number
println(factorial(0))
println(factorial(1))
println(factorial(2))

Output:

1
1
2

Example 2:




# Julia program to illustrate 
# the use of factorial() method
  
# Getting the factorial of 
# the specified number
println(factorial(5))
println(factorial(7))
println(factorial(big(20)))
println(factorial(big(15)))

Output:

120
5040
2432902008176640000
1307674368000
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