Need help on identifying prime number

Please help me in creating RPa for below:
If current time is 11.46 then 11+46 = 57, result should be not a prime number.
If it is a prime number then result be sum of those numbers and it is prime

Hi @Ajith_Kumar
Check this

Thanks
Ashwin S

PrimeCurrentTime.xaml (11.7 KB)

Check this .!

Thanks!