Prime or Composite Numbers

Front

What do we call a number that has exactly two distinct positive divisors: 1 and itself?

Back

Prime Number

Front

What do we call a number that has more than two positive divisors?

Back

Composite Number

Front

Is 1 a prime number?

Back

No, 1 is neither prime nor composite.

Front

What is the smallest prime number?

Back

2

Front

What is the only even prime number?

Back

2

Front

List three prime numbers between 1 and 20.

Back

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

Front

What is the product of 3 and 5?

Back

15

Front

Which of the following is a composite number: 4, 5, 7?

Back

4

Front

Is 15 a prime or composite number?

Back

Composite

Front

What is the prime factorization of 12?

Back

2 x 2 x 3