isPrime method

bool isPrime(
  1. int number
)

Checks if the number is prime.

Parameters:

  • number The number to be checked.

Returns:

A boolean indicating whether the number is prime.

Implementation

bool isPrime(int number) {
  if (number <= 1) return false;
  for (int i = 2; i * i <= number; i++) {
    if (number % i == 0) return false;
  }
  return true;
}