Write a C++ program that prompts the user to input a positive integer. It should then output a message indicating whether the number is a prime number. (Note: An even number is prime if it is 2. An odd integer is prime if it is not divisible by any odd integer less than or equal to the square root of the number.)
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Write a C++
It should then output a message indicating whether the number is a prime number.
(Note: An even number is prime if it is 2. An odd integer is prime if it is not divisible by any odd integer less than or equal to the square root of the number.)
- Start
- Input number
- If number is even
- If number is 2, then print prime number
- Else print not prime number
- If number is odd
- n from 3 to sqrt(number) with step 2
- If number is exactly divisible by n, print not prime number and exit from program
- print prime number
- n from 3 to sqrt(number) with step 2
- Stop
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- (Practice) Write a C++ program that accepts the rectangular coordinates of two points (x1,y1)and(x2,y2), calculates the distance of each point from the origin, and calculates the distance between the two points. The distance, d, between two points is given by this formula: d=(x2x1)2+(y2y1)2Write a C++ program that Ask user to enter an integer number and then determine whether the number is prime or not? Note: a number is prime that it is only divisible by 1 and itself. such as 3,5,7,13,..Write a C+ program that displays the sum of the even integers between and including two numbers entered by the user. In other words, if the user enters an even number, that number should be included in the sum. For example, if the user enters the integers 2 and 7, the sum is 12 (2 + 4 + 6). If the user enters the integers 2 and 8, the sum is 20 (2 + 4 + 6 + 8). Display an error message if the first integer entered by the user is greater than the second.
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