Find prime number

Find prime number

by 420

JavaScript

function checkPrime(num){
  if(num === 2){
      return true
    }
	if(num < 2 || !(num % 2)){
  	return false
  }
  
	for(let i = 2; i < num; i++){
  	if(num % i === 0){
    	return false
    }
  }
  return true 
}

for(let i = 0; i < 30; i++){
	if(checkPrime(i)){
  	console.log(i)
  }
}

/* console.log(checkPrime(51)) */