GCF, LCM, & Prime Numbers

Integers that you multiply together to get another integer are called _________________.

• multiples

• factors

• prime numbers

• common factors

• common multiples

When we multiply a number by any whole number (that isn't 0), the product is a ___________ of that number. 

(Hint: Every number has an infinite list of these! )

• prime number

• factor

• multiple

• common factor

• common multiple

A __________________ is a number that has only two factors (the number 1 and itself). 

• multiple

• factor

• prime number

• common multiple

• common factor

The largest factor that both numbers share is called the _____________________________.

• common factor

• Least Common Multiple (LCM)

• common multiple

• prime number

• Greatest Common Factor (GCF)

Any multiples that are the same for two (or more) numbers are called ______________________.

• greatest common factors

• least common multiples

• common factors

• common multiples

• prime numbers

Any factors that are the same for two (or more) numbers are called ______________________.

• prime numbers

• common factors

• common multiples

• least common multiples

• greatest common multiples

The smallest multiple that two numbers have in common is called the ___________________________.

• Least Common Multiple (LCM)

• Greatest Common Factor (GCF)

• prime number

• common factor

• common multiple

Find the LCM of 4 and 6

• 12

• 2

• 24

• 6

• 8

What is the GCF of 12 and 28?

• 2

• 3

• 4

• 336

Which is NOT a prime number?

• 2

• 3

• 4

• 7