85 = 5 x 17
No it isn't. 235/5 = 47 and 47 is a prim number. 235 isn't a prime number so it isn't a prim factorization. The real factorization is 47 * 5.
67 is a prime number
None. 23 is a prime number.
It i: 2*3*7 = 42
6834,217,2,2
It is just 11 because 11 is a prime number
85 = 5 × 17
It is: 5*17 = 85
19 is already prime; no factorization.
2x2
No.
Prime Factorization: 2*5*31