As a product of its prime factors in exponents: 23*32 = 72
Yes, of 72
19 is already prime; no factorization.
2x2
No.
43 is already prime; no factorization required.
Prime Factorization: 2*5*31
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.
The prime factorization for 72 is in the following 2.2.2.3.3=72
It is: 2*29 = 58
67 is a prime number
144 = 24 × 32
2 x 3