Oct 27, 2021by @kodeazy

flutter check given number is prime or not in dart file?

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flutterdartDartLogicalProgram

A prime number is a number that is divided by 1 and itself.

Below is an example program on prime number.

void main() {
int num = 12;
for (int index = 2; index <= num / 2; ++index) {
if (num % index == 0) {
  print("given number is not prime");
  return;
}
}
print("given number is a prime");
return;
}

12 is divisible by 1,2,3,4,6. so it is not a prime number.

Output:
```
given number is not prime
```