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Last updated on October 4, 2025

Factorial of 3.5

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Factorial is the process of taking a number and multiplying it by all the lesser, natural numbers. However, for non-integer numbers like 3.5, we use the Gamma function to compute the factorial. In this topic, we will learn about the factorial of 3.5.

Factorial of 3.5 for US Students
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What is the Factorial of 3.5?

The factorial of a non-integer number can be calculated using the Gamma function, which extends the factorial function to non-integers.

 

If n is a positive real number, then: n! = Γ(n + 1) To find the factorial of 3.5, we use: 3.5! = Γ(3.5 + 1) = Γ(4.5) Using the properties of the Gamma function, we can calculate it approximately as: Γ(4.5) ≈ 11.6317283966

 

Therefore, the factorial of 3.5 is approximately 11.6317283966.

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Important Glossaries of Factorial of 3.5

  • Factorial: The way of multiplying all the natural numbers smaller than the original number is known as factorial, but for non-integers, it is calculated using the Gamma function.

 

  • Gamma Function: A function that extends the factorial function to real and complex numbers.

 

  • Non-integer: A number that is not a whole number, such as fractions or decimals.

 

  • Approximation: A value or number that is close to the actual value but not exact, often used when calculating complex functions.

 

  • Real Numbers: The set of numbers that includes both rational and irrational numbers, such as integers, fractions, and decimals.
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Jaskaran Singh Saluja

About the Author

Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.

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Fun Fact

: He loves to play the quiz with kids through algebra to make kids love it.

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