Factorization

A prime number...

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

Which of the following is NOT prime?

• 29

• 23

• 17

• 39

Which is the prime factorization of 12 ?

• 2 x 6

• 2 + 2 + 2 + 2 + 2 + 2

• 2 x 2 x 3

• 1 x 2 x 2 x 3

Find the prime factorization of 72

• 2 x 2 x 2 x 3 x 3

• 2 x 3 x 3 x 4

• 2 x 2 x 2 x 2 x 3 x 3 x 3

• 2 x 2 x 6 x 6

2 x 2 x 2  or 2³ is the prime factorization of

• 6
• 12
• 22
• 8

Factorize 3x² + 18x

• 3 (x + 6)

• 3x (x + 6)

• x (3x + 18)

• 2x (3x + 9)

Factorize x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

Factorize (x + 9)²

• ( x - 9 ) ( x + 9 )

• ( x + 9 ) ( x + 9 )

• ( x - 9 ) ( x - 9 )

Simplify the product. (x + 2) (x - 5)

• x² - 3x - 10

• 2x² - 3

• x² - 10

• x² + 2x - 10

Factorize (x - 2)²

• (x - 2) (x + 2)

• (x + 2) (x + 2)

• (x - 2) (x - 2)