Factors & Multiples

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 a number that can be divided by another number without a remainder.

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF is the largest number that is a factor of two or more numbers.

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

What is the LCM (Least Common Multiple)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and find the smallest multiple they have in common.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it only has one factor.