FACT Google Sheet Formula

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FACT Formula Syntax

=FACT(5)

Example Use Case

Calculating the factorial of a number for permutations or probability

Understanding the FACT Formula

The FACT function in Excel computes the factorial of a non-negative integer, multiplying all whole numbers from 1 up to that number. It’s a key tool in combinatorics, used for counting permutations, arrangements, or probability outcomes.

For 5, FACT returns 120 (5 × 4 × 3 × 2 × 1). It’s limited to positive integers (decimals are truncated), making it a straightforward way to handle factorial math without manual multiplication—great for statistical or planning tasks.

Why Use FACT?

FACT simplifies factorial calculations, crucial for permutations or binomial coefficients. It’s used in math education, scheduling, or gaming odds, delivering fast results for ordered arrangements without the grunt work.