Question

Misc
-. Every even number greater than 2 can be expressed as the sum of two prime numbers.
Verify this statement for every even number upto 16.
To 173 a nrime? Why?​

Answer 1

4=2*2 ; 6=2*3 ; 8=2*2*2 ; 10=2*5 ; 12=2*2*3 ; 14=2*7

Yes 173 is a prime number becoz it has 2 factors i.e 1 and itself