Factorial functions in go. Differnence between recursive and array

main.go

package main

import (
	"fmt"
)

func main() {
	number := 8
	result := factorial(number)
	travResult := traversal(number)
	fmt.Println(result)
	fmt.Println(travResult)
}

func factorial(number int) int {
  	if number < 2 {
    		return 1
  	}
	
	return number * factorial(number-1)
}

func traversal(number int) int {
	result := number
	for i := number - 1; i > 1; i-- {
		result *= i
	}
	return result
}