Prime Factorization, GCF, and LCM... Oh My!

Which set lists all the factors of 24?

• 1, 2, 3, 6, 7, 12, 24
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 3, 4, 5, 6, 8, 12, 24
• 1, 3, 4, 6, 8, 24

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.4.OA.B.4

One is

• prime

• composite

• not prime or composite

• the loneliest number

What would be the prime factorization of the number 75?

• 5 x 5 x 5

• 3 x 3 x 5

• 3² x 5

• 3 x 5²

Tags

CCSS.6.EE.A.1

Find the GCF:

(a)  

Tags

CCSS.6.NS.B.4

Find the LCM of:

• 1

• 5

• 10

• 20

Tags

CCSS.6.NS.B.4

Find the LCM of:

• 1

• 2

• 40

• 80

Which one is a multiple of 4?

• 33
• 22
• 18
• 24

Tags

CCSS.4.OA.B.4