Prime Factorization + GCF

A prime number...

• has one factor.
• has more than 2 factors.
• has 100 factors.
• has exactly 2 factors: 1 and the itself.

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

Tags

CCSS.4.OA.B.4

One is... 

• prime
• composite
• not prime or composite
• the loneliest number that you'll ever know

Find the prime number.

• 10
• 9
• 7
• 4

Which list is only composite numbers?

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

2 x 2 x 2 is the prime factorization of...

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

What is the prime factorization of 24?

• 2 x 12
• 2 x 2 x 2 x 3
• 4 x 6
• 1, 2, 3, 4, 6, 8, 12, 24

What is the prime factorization of 18?

• 9 x 2
• 3 x 2²
• 3² x 2
• 3³

Tags

CCSS.6.EE.A.1

The following prime factorization represents which number:  2² x 3 x 7

• 14
• 84
• 42
• 70

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.2

Use a factor tree to find the prime factorization of 72

• 2³ x 3²
• 2 x 3² x 4
• 2⁴ x 3³
  
• 2² x 6²
  

Tags

CCSS.6.EE.A.1