Difference between perfect square and a number that can be expressed as product of consecutive integers:

By Ali Khan -
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A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer¹. For example, 1, 4, 9, and 16 are perfect squares because they are the squares of 1, 2, 3, and 4 respectively. A perfect square can also be written as x^2, where x is an integer. A number that can be expressed as a product of consecutive integers is a number that can be obtained by multiplying two or more integers that follow each other in order. For example, 6, 24, and 120 are numbers that can be expressed as products of consecutive integers because they are equal to 2 x 3, 2 x 3 x 4, and 2 x 3 x 4 x 5 respectively. A number that can be expressed as a product of consecutive integers can also be written as x(x + 1)(x + 2)...(x + n), where x and n are integers. The difference between a perfect square and a number that can be expressed as a product of consecutive integers is that a perfect square has only one factor pair that consists of the same integer, whi
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C language program to find prime number

By Ali Khan -


Hello  every one today this post is about how to write a C language program to find weather an input number is prime or not. I hope you will learn alot from it and if you dont understand so you can contact with Through +923429327224. I have also some online paid  cources but i will sell it to you in half price.

#include <stdio.h>


int main() {

    int num, i, flag = 0;

    printf("Enter a number: ");

    scanf("%d", &num);


    if (num <= 1) {

        printf("%d is not a prime number.\n", num);

        return 0;

    }


    for(i = 2; i <= num/2; ++i) {

        if(num % i == 0) {

            flag = 1;

            break;

        }

    }


    if (flag == 0)

        printf("%d is a prime number.\n", num);

    else

        printf("%d is not a prime number.\n", num);


    return 0;

}




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