Factors, Multiples and Primes

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 is the result of multiplying a number by an integer.

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.

Front

List the factors of 18.

Back

1, 2, 3, 6, 9, 18

Front

List the multiples of 5 up to 50.

Back

5, 10, 15, 20, 25, 30, 35, 40, 45, 50

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Front

What are common factors?

Back

Common factors are numbers that are factors of two or more numbers.

Front

Find the common factors of 12 and 18.

Back

1, 2, 3, 6

Front

What is the smallest prime number?

Back

The smallest prime number is 2.