It is: 2*29 = 58
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∙ 10y ago19 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.
67 is a prime number
144 = 24 × 32
2 x 3
216 = 23 × 33
It is: 2, 3 and 7
15,125 = 53 × 112