7A/8B Prime Factorization HW

Which one of these is NOT a prime number?

• 2

• 3

• 5

• 4

Tags

CCSS.4.OA.B.4

Find the factors of 6

• 1,6, 3

• 1, 2, 3, 6

• 1, 6

• 2, 3

Tags

CCSS.4.OA.B.4

Find the prime factorization of 45 using exponents

Tags

CCSS.6.EE.A.1

Find the prime factorization of 44 using exponents

• 11x4

• 22x2

A prime number...

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

Tags

CCSS.4.OA.B.4

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

Use a factor tree to find the prime factorization of 32

• 2x2x2x4

• 2x2x2x2x2

• 4x4x2

• 2x2x2x2x1

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Tags

CCSS.4.OA.B.4

What number has the prime factorization of 2³ • 11?

• 55

• 66

• 88

• 99

Tags

CCSS.4.OA.B.4

Select all of the prime numbers.

• 1

• 2

• 7

• 18

• 21

Tags

CCSS.4.OA.B.4