C program to print all prime numbers between 1 to N using for loop
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#include<stdio.h>#include<conio.h>int main(){int N, i, j, isPrime, n;printf("To print all prime numbers between 1 to N\n");printf("Enter the value of N\n");scanf("%d",&N);/* For every number between 2 to N, checkwhether it is prime number or not */printf("Prime numbers between %d to %d\n", 1, N);for(i = 2; i <= N; i++){isPrime = 0;/* Check whether i is prime or not */for(j = 2; j <= i/2; j++){/* Check If any number between 2 to i/2 divides Icompletely If yes the i cannot be prime number */if(i % j == 0){isPrime = 1;break;}}if(isPrime==0 && N!= 1)printf("%d ",i);}getch();return 0;}</conio.h></stdio.h> |
