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 the result of multiplying a number by an integer.

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest factor that two or more numbers share.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest multiple that two or more numbers share.

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Front

Is 1 a prime number?

Back

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

Front

What is the GCF of 8 and 10?

Back

The GCF of 8 and 10 is 2.

Front

What is the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

Which of the following is NOT a prime number: 3, 7, 17, 21?

Back

21 is NOT a prime number.

Front

What is the GCF of 20 and 30?

Back

The GCF of 20 and 30 is 10.