What is 100 factorial?

Factorial is a mathematical function denoted by the symbol "!" which is used to calculate the product of all positive integers less than or equal to a given number.

The factorial of 100, written as 100!, is the product of all positive integers less than or equal to 100.

The value of 100! is a very large number, approximately equal to 9.332622e+157 (9.332622 x 10^157), which means it has 158 digits.

Calculating the factorial of such a large number manually is not practical, but it can be calculated using computer software or scientific calculators that support calculations with big numbers.