Prime and Composite Numbers

Front

What is a prime number?

Back

A prime number is a 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 number that has more than two positive divisors, meaning it can be divided by 1, itself, and at least one other number.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it does not meet the definition of having exactly two distinct positive divisors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest single-digit prime number?

Back

The largest single-digit prime number is 7.

Front

Is 4 a prime or composite number?

Back

4 is a composite number because it can be divided by 1, 2, and 4.

Front

Is 33 a prime or composite number?

Back

33 is a composite number because it can be divided by 1, 3, 11, and 33.

Front

What are all prime numbers divisible by?

Back

All prime numbers are divisible by 1 and themselves.

Front

Is 5 a prime or composite number?

Back

5 is a prime number because it can only be divided by 1 and 5.