First of all we all should know what is prime number?
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number.
Example: 2,3,5,7,11 all are prime numbers.
PROGRAM
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#include<stdio.h>
int main()
{
int i,num,temp=0;
for(num=2;num<100;num++)
{
for(i=2;i<=num/2;i++)
{
if(num%i==0)
temp=1;
}
if(temp==0)
printf("%d ",num);
temp=0;
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #include<stdio.h> int main() { int i,num,temp=0; for(num=2;num<100;num++) { for(i=2;i<=num/2;i++) { if(num%i==0) temp=1; } if(temp==0) printf("%d ",num); temp=0; } return 0; } |
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