GCF / LCM (2)

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

LCM stands for

• Least correct multiple
• Latest common multiple
• Least common multiple
• Laser classroom mouse

What does GCF mean?

• Great Cookie Fever

• Greatest Compared Factor

• Greatest Common Multiple

• Greatest Common Factor

To find multiples we _______ .

• Add

• Subtract

• Multiply

• Divide

To find factors we _______ .

• Add

• Subtract

• Multiply

• Divide

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

Find the GCF of 18 and 24

• 2
• 3
• 4
• 6