Prime Numbers

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. It has exactly two distinct positive divisors: 1 and itself.

Tags

CCSS.4.OA.B.4

Front

Which of the following is a prime number: 38, 39, 40, 41?

Back

41

Tags

CCSS.4.OA.B.4

Front

Is the number 9 prime or not prime?

Back

Not Prime

Tags

CCSS.4.OA.B.4

Front

What are all prime numbers divisible by?

Back

1 and itself

Tags

CCSS.4.OA.B.4

Front

True or False: A composite number is able to be divided by more than two numbers.

Back

True

Tags

CCSS.4.OA.B.4

Front

Is 35 prime or composite?

Back

Composite

Tags

CCSS.4.OA.B.4

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Tags

CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

2

Tags

CCSS.4.OA.B.4

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2.

Tags

CCSS.4.OA.B.4

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.

Tags

CCSS.4.OA.B.4