Prime & Composite Numbers

Question 1

A prime number is a number that

Answer 1

has no factors except 1 & itself

Question 2

A composite number is a number that

Answer 2

has factors besides 1 & itself

Question 3

What number is considered neither prime nor composite?

Answer 3

1

Question 4

Name the prime numbers from 1 to 20

Answer 4

2, 3, 5, 7, 11, 13, 17, 19