Java Program To Check Prime Numbers | Print Prime Numbers | Java Practice Problems | Code Bode

Published: 19 May 2020
on channel: CodeBode

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#primenumbers | #javatutorails | #javapracticeproblems

Hi guys,
In this video, we will learn how to check if a number is prime or not.
Let's understand what is a prime number and non-prime number
prime number - a number only divisible by 1 and itself
non-prime number - if divisible by any other number apart from 1 and itself

Algorithm/Logic
// 1. input number from the user
// 2. check divisiblity by other numbers - iterate a for loop - 2 to input/2
// 3. condition to check divisiblity using %
// 4. set a flag as false
// 5. if it is divisible print not prime; break the loop; and set flag to true
// 6. after loop completes check if flag is still false. if flag is fase print prime

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