first 100 prime numbers sum

Humayan answered on September 24, 2022 Popularity 9/10 Helpfulness 2/10

answer first 100 prime numbers sum

first 100 prime numbers sum

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// Sum of prime numbers 0 to 100 is : 1637



#include <stdio.h>

int sumOfprime(int num);

int main() {

    int number, result;
    printf("Enter a number: ");
    scanf("%d", &number);

    result = sumOfprime(number);
    printf("Sum of prime numbers 0 to %d is : %d\n", number, result);

    return 0;
}

int sumOfprime(int num) {

    if (num > 1) {
        if ((num % 2 == 0 && num != 2 ) || (num != 3 && num % 3 == 0)) {
            return sumOfprime(num - 1);
        } else {
            return num + sumOfprime(num - 1);
        }
    } else {
        // (-1) because prime numbers starts from 2.
        return num - 1;  
    }

}

Popularity 9/10 Helpfulness 2/10 Language c

Source: Grepper

Tags: c numbers sum

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Contributed on Sep 24 2022

Humayan

0 Answers Avg Quality 2/10

first 100 prime numbers sum

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