# Prime number using recursion java

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Example #2 - Using While Loop. In the coding example, we are going to see the usage of the While loop for checking whether a number is prime or not.We use the same logic as the for loop, but we have a different outlook on the program. Code: import java.io.*;
1. Enter a number: 12 12 is not prime number . Case 3. Enter a number: 1 1 is not prime number . Case 4. Enter a number: -10 10 is not prime number . Find prime number using while loop. Program 2. This program allows the user to enter a positive number and then it will check the given number is a prime number or not using while loop in Python language
2. Pause the video and watch explanation of algorithm carefully trace the program for a prime and non prime number yourself then you will understand the logic a...
3. Factorial Using Recursion in C++ | A function/method that contains a call to itself is called the recursive function/method. A technique of defining the recursive function/method is called recursion. The recursive function/method allows us to divide the complex problem into identical single simple cases that can be handled easily.
4. Enter number: 42 42 is not a prime number Enter number: 29 29 is a prime number. Explanation. This program also checks whether the number entered by the user is perfectly divisible by i or not. In this case, we have declared and initialized boolean variable checkPrime to true. If the num is perfectly divisible by i then checkPrime is set to false.
5. A recursive function is a function that calls itself. But before moving further, if you are not familiar with the concept of if statements in java, then do check the article on the topic Conditional Statement in Java. Input: Enter the number: 7. Output: The equivalent binary number is 111. Program 1: Print Binary Equivalent of an Integer using ...
6. GCD of two numbers Euclidean algorithm in java (iterative/ recursive) The greatest common divisor (GCD) is the largest natural number that divides two numbers without leaving a remainder. e.g gcd ( 10,15) = 5 or gcd ( 12, 18) = 18. The Euclidean algorithm is the efficient algorithm to find GCD of two natural numbers.
7. Calculating factorial using recursive functions in Java. ... If it is a prime number, the number is output, and a count of found prime numbers is incremented. This continues until it reaches the number of prime numbers requested by the user, after which the program terminates.
8. Prime Number Between 1 to n are: 2 3 5 7 11 13 17 19 23 Program in Python Here is the source code of the Python Program to Print prime numbers from 1 to n using recursion.
9. nth Prime Number Java. A number is prime if it is divisible by 1 and itself. In other words, a prime number is a natural number with exactly two distinct natural number divisors 1 and itself. For example, 2, 3, 5, 7, 11, etc. are the prime numbers. Note that 0 and 1 are not prime numbers.