Math Challenge #12

Front

Is 5 prime or composite?

Back

Prime

Front

Use a factor tree to find the prime factorization of 42.

Back

7x3x2

Front

Is 34 a prime or composite number?

Back

Composite

Front

A composite number ...

Back

has more than 2 factors.

Front

Use a factor tree to find the prime factorization of 33.

Back

11x3

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

Find the prime factorization of 18 using a factor tree.

Back

2x3x3 or 2x3²

Front

What is the smallest prime number?

Back

2

Front

What is the largest prime number less than 20?

Back

19