How do I write a prime program in C?

Asked by Last Modified  

3 Answers

Learn C Language

Follow 0
Answer

Please enter your answer

Rishi Yadav

Tutor

void main() { int n,i,p=0,flag=0; clrscr(); printf("Enter the number to check prime:"); scanf("%d",&n); p=n/2; for(i=2;i<=p;i++) { if(n%i==0) { printf("Number is not prime"); flag=1; break; } } if(flag==0) printf("Number is prime"); getch(); }
Comments
Dislike Bookmark

Computer Wizard. Tutor

void main() { int n,i, count=1; printf ("Enter a number which is greater than one \n"); scanf ("%d",&n); for(i =2; i
Comments
Dislike Bookmark

Tutor

u can iterate to till the half of the number so that the number of iterations are less...because anyways over half of number it cant be divisible by it...e.g if we cansider number as 18..THE MAX NUMBER IT CAN BE DIVISIBLE WITH IS 9.not more than that
Comments
Dislike Bookmark

View 1 more Answers

Related Questions

Can a function defined inside another function?
No its not allowed, but some compilers support. Instead check out OOP C++, which would encapsulation, that is better than function in function.
Kamal
0 0
8
How are portions of a program disabled in demo versions?
By making them comments. This can be achieved by using // sign before the line or by surrounding multiple lines in within /*...lines of comment...*/
Akhilesh
0 0
5
When is a "switch" statement better than multiple "if" statements?
switch statement is generally best to use when you have more than two conditional expressions based on a single variable of numeric type. For instance, rather than the code if (x == 1) printf(“x...
Shalu
What is void main () into main and what it does?
Void means nothing or empty. void main() - means here main() return nothing.int main() - means here main() returns an integer value.
Noreen
What purpose does \n have in C programming?
is used for new line. It prints the output in New or next line
Nasar
0 0
9

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

C Program Sample Application
//Standard Library Functions(Header Files used) #include<stdio.h> #include <conio.h> //Main method int main() { // function for clearing screen clrscr(); // function to print the output...

Salim Ahmed Ansari

0 0
0
Array vs Linked List
Array Linked List Accessing element is easy. Accessing element is difficult compare to Array. Easy to use. Difficult to use. Memory is Fixed size. Memory is variable size. If...

Umasankar Natarajan

0 0
0
Do You Know How Is Size Of Structure Defined?
Size of the structure is defined based on multiplies of bigger data type member in the structure. Example: If a structure contains integer, char, short data type, then size of the Structure will be multiples...

Umasankar Natarajan

0 0
0
Programing Languages Learning Tricks
You want to learn that new language or library or framework as soon as possible, right? That’s understandable. Fortunately, there are a handful of tips that can help you to better retain all of that...
H

Harshal G.

0 0
0
C, Cpp, Java, Python, Javascript Programming Languages
Learning C is as good as Learning a Natural Language(such as English, Hindi, Telugu, Tamil etc) We use Natural Languages to communicate with humans whereas we use Programming Languages such as C, Cpp,...
V

Vamshi

0 0
0

Recommended Articles

Lasya Infotech: An educational Training...

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Brilliant Academy, a reputed B. Tech Tuition...

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Learn Microsoft Excel

Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...

Read full article >

Top 5 Skills Every Software Developer Must have

Software Development has been one of the most popular career trends since years. The reason behind this is the fact that software are being used almost everywhere today.  In all of our lives, from the morning’s alarm clock to the coffee maker, car, mobile phone, computer, ATM and in almost everything we use in our daily...

Read full article >

Find C Language Classes near you
C Language Classes in Bangalore
C Language Classes in Hyderabad
C Language Classes in Delhi
C Language Classes in Pune
C Language Classes in Chennai
C Language Classes in Mumbai
C Language Classes in Kolkata
C Language Classes in Noida
C Language Classes in Gurgaon
C Language Classes in Ghaziabad

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you