프로그래머스_입문_피자나눠먹기(2)

function lcm(a,b){     
    if(b === 0) return a; 
    return lcm(b, a % b); 
}     

function gcd(a,b){
    const lcm_num = lcm(a,b)
    const gcd_num = (a * b) /  lcm_num; 
    return gcd_num;   
} 

function solution(n) {  
    var gcd_num;
    if(n >= 6){
        gcd_num = (n % 6) + 1
    }else{
     gcd_num = gcd(n,6) 
     gcd_num = gcd_num / 6       
    }
    return gcd_num  
}