143 is composite.
Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.
143 is not prime. 143 = 11 * 13
143 is divisible by 11.
143 = 11 * 13
Composite.
11 x 13 = 143
143 = 11 x 13
11 x 13 = 143
143 = 11*13
512 is a composite number. Its prime factorization is 29.
they have to be composite