He is the de facto leader of the group.

He was the leader of the team, ipso facto, he made all the decisions.

The investigation was conducted in a post-facto manner.

The law cannot be applied ex post facto.

Lack of exercise is a major factor in weight gain.

The factory produced 10,000 cars last month.

The factorial of a number is the product of all positive integers less than or equal to that number.

The chill factor made it feel much colder than the actual temperature.

I need to factorize this equation to solve it.

I need to factorise this equation to solve it.