C Program To Check Whether a Given Number is Prime Number or Not, using While Loop

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Lets write a C program to check whether user input number is prime number or not, using while loop.

Prime Number: Any natural number which is greater than 1 and has only two factors i.e., 1 and the number itself is called a prime number.

All the numbers are perfectly divisible by number 1, so we initialize the variable count to 2. So our c program starts checking for divisibility from number 2.

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sir what is the purpose of flag in c program coz my teacher make this program in a different way so thats why m confused can u plz guide me

umerkhan-kvgd

Thank you soo Much, I've passed my ICT because of this

maynardcempron

Can i write directly like thus?
while(count<=num/2)

magmagaming

How about inputting 5 numbers and then print only the prime numbers?? Can you pls help me

applepen

bhai print and scan wale ko bhi loop me leke kro.

priyankanegi

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