JSFiddle - React, Tailwind, and code Playground
JavaScript
const isPrime = num => {
for(let i = 2; i < num; i++)
if(num % i === 0) return false;
return num > 1;
}
console.log(isPrime(1))
console.log(isPrime(2))
console.log(isPrime(3))
console.log(isPrime(4))
console.log(isPrime(5))
console.log(isPrime(6))
console.log(isPrime(7))
console.log(isPrime(8))
console.log(isPrime(9))
console.log(isPrime(10))