This is one heck of a challenge because i know what i have to do but i dont know how. I understand that i need to set a function that verifies if an integer is greater than or equal to zero. Which i think it will be represented like this

if (num >= 0) and somehow, i dont know how, it has to return each number that is not equal to zero and multiply each result, until that number is 1 and then the function will return 1.

Im a bit very lost because i dont want to look for the answer online yet i dont know how to code what i have in mind, which is for a function to substract 1 to the initial number each time that the number is not equal to 0 or 1, and for each and every number to be multiplied. I tried reading the help article but it wasnt very useful to me.

**Your code so far**

```
function factorialize(num) {
if (num >= 1){
return ;
} else {
return 1
}
}
return num;
}
factorialize(5);
```

**Your browser information:**

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**Challenge:** Basic Algorithm Scripting - Factorialize a Number

**Link to the challenge:**