GCF and LCM

What is the prime factorization of 4?

• 4 = 2 × 2
• 4 = 2 × 3
• 4 = 3 × 3
• 4 = 2 × 5

What is the prime factorization of 10?

• 10 = 2 × 3
• 10 = 2 × 5
• 10 = 3 × 3
• 10 = 5 × 5

What is the GCF of 4 and 10?

• 2
• 5
• 4
• 10

What is the LCM of 4 and 10?

• 20
• 40
• 12
• 10

What is the prime factorization of 6?

• 6 = 2 × 3
• 6 = 2 × 2
• 6 = 3 × 3
• 6 = 5 × 5

What is the prime factorization of 12?

• 12 = 2 × 2 × 3
• 12 = 2 × 2 × 2
• 12 = 3 × 3
• 12 = 2 × 5

What is the GCF of 6 and 12?

• 6
• 4
• 12
• 3

What is the LCM of 6 and 12?

• 6
• 4
• 12
• 3

What is the prime factorization of 8?

• 8 = 2 × 2
• 8 = 2 × 2 × 2
• 8 = 3 × 3
• 8 = 2 × 5

What is the prime factorization of 12?

• 12 = 2 × 2 × 3
• 12 = 2 × 2 × 2
• 12 = 3 × 3
• 12 = 2 × 5