Those numbers are known as Semiprime Number.
What is Semi-Prime number?
A semiprime is a natural number that is the product of exactly two prime numbers. The two primes in the product may equal each other, so the semiprimes include the squares of prime numbers.
Here, as given in definition;
A number that can be written as the product of two or more prime numbers is called a Semi-prime number.
Thus, Those numbers are known as Semiprime Number.
Learn more about Semi-prime number from:
https://brainly.com/question/14429410
#SPJ2
