Understanding Prime Factorization

Front

What is a prime number?

Back

A number with exactly two factors: 1 and itself

Front

Which of the following is NOT a prime number? Options: 5, 4, 2, 3

Back

4

Front

Which number is a factor of every number?

Back

1

Front

Which of the following numbers is prime?

15

,

18

,

20

,

11

Back

11

Front

What do you get when you multiply 2 by 2?

Back

4

Front

Which of the following is a composite number?

4

,

2

,

3

,

7

Back

4

Front

What makes a number a composite number?

Back

It is divisible by numbers other than 1 and itself

Front

Prime factorization of 12

Back

2 × 2 × 3

Front

How can 4 be factored into prime numbers?

Back

2 × 2

Front

Prime factorization of 42

Back

2 × 3 × 7