0
#include <iostream.h>
main()
{
int a;
cout<<"enter a number : ";
cin>>a;
cout<<endl;
if (a%2-1)
cout<<"it is a Prime number";
else
cout<<"it is not a prime number"
return 0;
}
------------------------------------------
output: enter a number : 30
it is a not a prime number
Add your answer:
Earn +20 pts
Which mobile company code is plus plus 372?
Its code of estonia
What is the Visual C plus plus 2008 Express Serial Code?
The Express edition of C++ does not require a serial code. It is free.
What colour code in c plus plus?
0-black.2-green
Source code of DSR and AODV in C plus plus?
code source de dsr sous omnet++4.1 en .cc
What is a source code file in c plus plus?
A source code file is a plain-text file containing C++ instructions. The instructions must be compiled and linked to create a native machine code executable.
What are prime number and composite numbers?
a prime number is a number that you can plus by one
What prime number plus what prime number will give you 54?
47 + 7
What is prime plus prime?
A prime plus another prime is at the very least going to be an even number since all primes (with the exception of 2) are odd.
Does x squared plus x plus 41 always equal a prime number?
No. it's not a prime number when x = 40, 41, 81,82 ...
Is number 5x3x17 plus 17 a prime number?
No. (5x3x17) + 17 =255 + 17 =272 (This is not prime.)
Is 2187 plus 36295 a prime number?
No. The number 38,482 is composite.
What is the smallest number for n for which n2 plus n plus 17 is not a prime number?
n = 5.
Is 9x3 plus 12x2 a prime number?
yes
Testing c plus plus code prime number?
Use the following function to determine if a whole number is prime, including negative values: bool isprime(int p) { if(p<0) p*=(-1); // convert to positive integer if( p<2 ( p>2 && p&1==0 )) return( false ); int max = (int)sqrt((double) p)+1; for( int i=3; i<=max; i+=2 ) if( p%i==0 ) return( false ); return( true ); }
What is the sum of the smallest odd prime number and the largest prime number less than 100?
It is: 3 plus 97 = 100
What is P plus P plus N in prime numbers?
It would always be a natural number.
What prime number squared plus 3 gives an odd number?
22 + 3 = 7 Since 2 is the only even prime number, this is the only number for which this holds true.
