Prime Factorization, GCF, and LCM

GCF 24 and 36

• 8
• 6
• 12
• 4

Tags

CCSS.6.NS.B.4

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

Tags

CCSS.6.NS.B.4

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

Tags

CCSS.6.NS.B.4

What is the LCM of 9 and 12?

• 18
• 36
• 12
• 24

Tags

CCSS.6.NS.B.4

What is the LCM of 12 and 18?

• 18
• 36
• 24
• 54

Tags

CCSS.6.NS.B.4

What is the LCM of 45 and 72?

• 72
• 3,240
• 360
• 260

Tags

CCSS.6.NS.B.4

Use a number tree to find the prime factorization of 72

• 2x2x2x3x3
• 4x3x3x2
• 4x2x2x2x2

Use a number tree to find the prime factorization of 105

• 7x5x3
• 11x5x3
• 7x5x2x1
• 7x5x3x2

Use a number tree to find the prime factorization of 60

• 5x3x2x2
• 7x6x5
• 5x3x3x2
• 7x5x4