Create a function that checks if a number is prime. Return true if it is pri...
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Create a function that checks if a number is prime. Return true if it is prime, false otherwise.
bool isPrime(int num) {
if (num <= 1) return false;
for (int i = 2; i <= num ~/ 2; i++) {
if (num % i == 0) return false;
}
return true;
}
Example Usage:
void main() {
print(isPrime(7)); // Output: true
print(isPrime(10)); // Output: false
}
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