Question

1.) List all prime numbers less than 10.

2.) List all composite numbers between 10 and 20.
3.) What is the greatest prime number less than 30?

Answer 1

for the first one number 1,2 and 3 are prime cause it can only be times 1, and 4 is a composite because it is not prime it can be times not only by 1 but by 2 two do you understand it more now or do you need help still