Multiples and Factors

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

How many factor pairs does the number 31 have?

Back

31 has 1 factor pair: (1, 31).

Front

Is 40 a multiple of 5?

Back

Yes, 40 is a multiple of 5 because it can be expressed as 5 multiplied by 8.

Front

What are the factors of 36?

Back

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.

Front

What is the definition of a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is the definition of a multiple?

Back

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

Front

List all the factors of 18.

Back

The factors of 18 are 1, 2, 3, 6, 9, and 18.

Front

Is 2 the only even prime number?

Back

Yes, 2 is the only even prime number.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.