Factors, Multiples, Prime and Composite

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 has more than two positive divisors.

Front

List all the factors of 14.

Back

1, 2, 7, 14

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

Is 17 a prime number?

Back

Yes, 17 is a prime number because it can only be divided by 1 and 17.

Front

Which of the following is a factor of 56? 5, 9, 4, 3

Back

4 is a factor of 56.

Front

What are the only factors of a prime number?

Back

The only factors of a prime number are 1 and itself.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest prime number less than 20?

Back

The largest prime number less than 20 is 19.