portrait: 58

58 is a composite number, meaning its factor is 1, 2, 29, and 58.Other than 1 and the number itself, 58 can be formed by multiplying two primes 2 and 29, making it a semiprime. 58 is not divisible by any square number other than 1, making it a square-free integer A semiprime that is not square numbers is called a squarefree semiprime, and 58 is among them.