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prime number logic in javascript

Mr-Cooder answered on March 9, 2023 Popularity 6/10 Helpfulness 2/10

answer prime number logic in javascript

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prime number logic in javascript

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function isPrime(num) {
  // Check if num is less than 2 (since 0 and 1 are not prime)
  if (num < 2) {
    return false;
  }

  // Loop from 2 to the square root of num
  for (let i = 2; i <= Math.sqrt(num); i++) {
    // If num is divisible by i, then it's not a prime number
    if (num % i === 0) {
      return false;
    }
  }

  // If we haven't returned false yet, then num is a prime number
  return true;
}

Popularity 6/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript logic

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Contributed on Mar 09 2023

Mr-Cooder

0 Answers Avg Quality 2/10

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prime number logic in javascript

Comment

function isPrime(num) {
  // Check if num is less than 2, as 0 and 1 are not prime numbers
  if (num < 2) {
    return false;
  }

  // Iterate from 2 to the square root of num
  for (let i = 2; i <= Math.sqrt(num); i++) {
    // If num is divisible by i, it is not prime
    if (num % i === 0) {
      return false;
    }
  }

  return true; // num is prime
}

// Example usage
console.log(isPrime(7)); // Output: true
console.log(isPrime(12)); // Output: false
console.log(isPrime(29)); // Output: true

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

prime number logic in javascript

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prime number logic in javascript

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prime number logic in javascript

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