It is: (x+1)(x+4) none of which are prime numbers
Two is a prime factor of that equation.
Not if x is an integer.
a prime number is a number that you can plus by one
47 + 7
Prime factorization refers to integers.
n=40 n2+n+41=1681 which is not a prime.
It's not. For example, 52 + 9 = 34, which is not prime.
No. it's not a prime number when x = 40, 41, 81,82 ...
It is: 2 plus 7 = 9