None. 23 is a Prime number.
115 = 5 × 23
216 = 23 × 33
414=2*3*3*23
2 x 2 x 23 = 92
As a product of its prime factors in exponents: 23*32 = 72
92 46,2 23,2,2 22 x 23 = 92
19 is already prime; no factorization.
No.
2x2
Prime Factorization: 2*5*31
43 is already prime; no factorization required.
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.