prime numbers javascript
function isPrime(num) {
for (let i = 2; i * i <= num; i++)
if (num % i === 0)
return false;
return num > 1;
}prime numbers javascript
function isPrime(num) {
for (let i = 2; i * i <= num; i++)
if (num % i === 0)
return false;
return num > 1;
}JS print all prime numbers
// program to print prime numbers between the two numbers
// take input from the user
const lowerNumber = parseInt(prompt('Enter lower number: '));
const higherNumber = parseInt(prompt('Enter higher number: '));
console.log(`The prime numbers between ${lowerNumber} and ${higherNumber} are:`);
// looping from lowerNumber to higherNumber
for (let i = lowerNumber; i <= higherNumber; i++) {
let flag = 0;
// looping through 2 to user input number
for (let j = 2; j < i; j++) {
if (i % j == 0) {
flag = 1;
break;
}
}
// if number greater than 1 and not divisible by other numbers
if (i > 1 && flag == 0) {
console.log(i);
}
}Copyright © 2021 Codeinu
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