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Factorial

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	`1`	`+// Factorial`
	`2`	`+// Write a function that takes in a number and returns the factorial`
	`3`	`+// ex. (5) 12345 = 120`
	`4`	`+// gotcha: (0) needs to equal 1`
	`5`	`+`
	`6`	`+const factorializeNumber = num => {`
	`7`	`+ let sum = 1`
	`8`	`+`
	`9`	`+ for (let i = 2; i <= num; i++) {`
	`10`	`+ sum *= i`
	`11`	`+ }`
	`12`	`+ return sum`
	`13`	`+}`
	`14`	`+`
	`15`	`+console.log(factorializeNumber(5))`
	`16`	`+console.log(factorializeNumber(4))`
	`17`	`+console.log(factorializeNumber(0))`
	`18`	`+console.log(factorializeNumber(1))`
	`19`	`+console.log(factorializeNumber(2))`
	`20`	`+console.log(factorializeNumber(10))`
	`21`	`+console.log(factorializeNumber(-5))`

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