Factors and Multiples

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

List the factors of 48.

Back

The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

Front

Which number is a factor of 25?

Back

1 is a factor of 25.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer.

Front

List the first five multiples of 3.

Back

The first five multiples of 3 are 3, 6, 9, 12, and 15.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that can divide two or more numbers without leaving a remainder.

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

Which number below is NOT prime?

Back

9 is not a prime number.

Front

What is the first prime number?

Back

The first prime number is 2.

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 factors.