24 x 3 x 11
19 is already prime; no factorization.
2x2
No.
Prime Factorization: 2*5*31
43 is already prime; no factorization required.
528 = 24 * 3 * 11
528 = 24*3*11
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.
115 = 5 × 23
2 x 3
12 = 22 × 3
144 = 24 × 32