Q:

Write a C Program to find Prime numbers between two Limits(Range)

robaa
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2022-11-24
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Write a C program to print all Prime numbers between 1 to n using loop. C program to print all prime number within a given range. How to print all prime numbers between given interval using loop in C program.

Prime number program in c: c program for prime number, this code prints prime numbers using c programming language.

 
 

Prime number logic: a number is prime if it is divisible only by one and itself. Remember 2 is the only even and also the smallest prime number. First few prime numbers are 2, 3, 5, 7, 11, 13, 17….etc.

Prime numbers have many applications in computer science and mathematics. A number greater than one can be factorized into prime numbers, For example 540 = 22*33*5

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robaa
2022-11-24
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Here the example to display prime numbers between lower and upper limit……..

Example:
Enter Lower limit: 1
Enter Upper limit: 10
Prime numbers between 1 – 10 :  2, 3, 5, 7

 

SOURCE CODE : :

#include<stdio.h>

int main()
{
long int i, prime, lim_up, lim_low, n;

printf("\n\nENTER THE LOWER LIMIT-----: ");
scanf("%d", &lim_low);
printf("\n\nENTER THE UPPER LIMIT-----: ");
scanf("%d", &lim_up);
printf("\n\nPRIME NUMBERS ARE---------: ");

for(n=lim_low+1; n<lim_up; n++)
{
prime = 1;
for(i=2; i<n; i++)
if(n%i == 0)
{
prime = 0;
break;
}
if(prime)
printf("%d, ", n);
}
return 0;
}

 

OUTPUT : :

 

ENTER THE LOWER LIMIT-----: 1


ENTER THE UPPER LIMIT-----: 1000


PRIME NUMBERS ARE---------: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37,
41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109,
 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 
  193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269,
   271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353,
    359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439,
     443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523,
      541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617,
       619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709,
        719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811,
         821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907,
          911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997

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