Answer Posted / mamoon

#include<iostream.h>
#include <math.h>

void main()
{
int number;
cout<<" --------------------------------------------
-"<<endl;
cout<<" Enter a number to find if its a prime
number "<<endl;
cout<<" --------------------------------------------
-"<<endl;
cin>>number;
bool a =true;

for(int i=2;i<sqrt(number);i++) //check
untill the square root
{

if(number%i==0) // if it is
divisible it is non prime
{
a=false;
break;
}
}


if(a==false)
cout<<number<<" \nis not a prime number"<<endl;
else
cout<<number<<" \nis a prime number"<<endl;

}

What are loops in c?

555

---

What are the application of c?

652

---

hi... can anyone help me to make a two-dimensinal arrays in finding the sum of two elements plzzz. thnx a lot...

1451

---

What is the use of bitwise operator?

694

---

All technical questions

1514

---

---

What is the difference between ++a and a++?

701

---

What are data types in c language?

590

---

The statement, int(*x[]) () what does in indicate?

649

---

What are the benefits of c language?

651

---

Draw a diagram showing how the operating system relates to users, application programs, and the computer hardware ?

2124

---

which of the following is allowed in a "C" arithematic instruction a) [] b) {} c) () d) none of the above

1140

---

What are examples of structures?

601

---

FORMATTED INPUT/OUTPUT functions are a) scanf() and printf() b) gets() and puts() c) getchar() and putchar() d) all the above

627

---

What is an auto variable in c?

762

---

Explain what is a const pointer?

643

---