How can we find out prime numbers from 1 to 50? - #include<stdio.h> #include<conio.h> void main() { int i,j,c,n; clrscr(); for(i=2;i<50;i++) { c=0; for(j=2;j<i;j++) { if(i%j==0) c++; } if(c==0) printf("%d ",i); } getch(); } - Branches & Loops in C Interview Questions and Answers

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Question: How can we find out prime numbers from 1 to 50?

Answer: #include<stdio.h>
#include<conio.h>
void main()
{
int i,j,c,n;
clrscr();
for(i=2;i<50;i++)
{
c=0;
for(j=2;j<i;j++)
{
if(i%j==0)
c++;
}
if(c==0)
printf("%d
",i);
}
getch();
}

Category	Branches & Loops in C Interview Questions & Answers - Exam Mode / Learning Mode
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Question: How can we find out prime numbers from 1 to 50?

Answer:

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,c,n;
clrscr();
for(i=2;i<50;i++)
{
c=0;
for(j=2;j<i;j++)
{
if(i%j==0)
c++;
}
if(c==0)
printf("%d
",i);
}
getch();
} Source: CoolInterview.com

Answered by: sudheer | Date: 11/18/2008 |

Contact sudheer

a better algo.....
#include<math.h>
#include<stdio.h>
void main()
{
int i,j,c,n;
clrscr();
for(i=2;i<50;i++)
{
c=0;
for(j=2;j<sqrt(i);j++)
{
if(i%j==0)
c++;
}
if(c==0)
printf("%d
",i);
}
getch();
} Source: CoolInterview.com

Answered by: jaideep | Date: 12/1/2008 |

Contact jaideep

main(){
int a,b,c;
a=2;
while(a<=50){
b=a-1;
while(b>1){
if(a%b==0)
printf("it is a%d prime number",a);}
a++;
} Source: CoolInterview.com

Answered by: nagaraju.botsa | Date: 12/19/2008 |

Contact nagaraju.botsa

#include<math.h>
#include<stdio.h>
void main()
{
int i,j,c,n;
clrscr();
for(i=2;i<50;i++)
{
c=0;
for(j=2;j<sqrt(i);j++)
{
if(i%j==0)
c++;
}
if(c==0)
printf("%d
",i);
}
getch();
}
Source: CoolInterview.com

Answered by: ucm | Date: 12/24/2008 |

Contact ucm

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,flag;
for(i=1;i<=50;i++)
{
flag=1;
for(j=2;j<i;j++)
{
if(i%j==0)
{
flag=0;
break;
}}
if(flag==1)
printf(" %d is Prime",i);
}
Source: CoolInterview.com

Answered by: DEBASIS NAYAK | Date: 1/4/2009 |

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Answered by: vinayak sharma | Date: 8/18/2009 |

Contact vinayak sharma

#include
main()

{

int number, div, ifprime;

clrscr();

for (number=2;number<=50;number++)

{

for (div=2; div

{

if (number%div==0)

{

ifprime=0;

break;

}

ifprime=1;

}

if (ifprime)

{

printf("
%d", number);

}

}

getch();

}

Source: CoolInterview.com

Answered by: Naveen | Date: 8/25/2009 |

Contact Naveen

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