Prime Factorization

A prime number...

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

One is...

• prime

• composite

• not prime or composite

• the loneliest number

Is 5, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Is 12, a prime or composite number? 

• Prime
• Composite

Write 28 as a product of its prime factors.

• 2x2x7
• 4x7

Write 54 as a product of its prime factors.

• 2x2x3x3
• 2x3x3x3
• 2x3x9
• 6x9

Write 68 as a product of its prime factors.

• 2x34
• 4x17
• 2x2x17
• 2x3x17

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

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

Find the prime factorization of 105

• 7x5x3

• 11x5x3

• 7x5x2x1

• 7x5x3x2

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4