Factor Tree - Prime/Composite Numbers, Prime Factorization, Expo

Is 5 prime or composite? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

A prime number

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

Tags

CCSS.4.OA.B.4

All of these are prime except

• 3
• 9
• 2
• 13

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

What is the prime factorization of 24

• 4 x 6

• 3 x 8

• 2 x 2 x 2 x 3

• 2 + 2 + 2 x 3

What is the prime factorization of 8

• 2 + 2 + 2

• 2 x 4

• 2 x 2 x 2

• 1 x 8

What is the prime factorization of 72?

• 2 x 2 x 2 x 3 x 3

• 8 x 9

• 3 x 3 x 8

• 3 x 24

Which of the following numbers are prime numbers: 1, 2, 3, 4, 5, 6, or 7

• 1, 2, 3, 5, 7

• 2, 4, 5, 7

• 2, 3, 6, 7

• 2, 3, 5, 7

Which of the following numbers are prime numbers: 8, 9, 10, 11, 12, 13, 14 or 15

• 10, 11, 12, 13

• 11 and 13

• 8, 9, 11, 13

• 11

Which of the following numbers are composite numbers: 1, 2, 3, 4, 5, 6, or 7

• 4

• 2, 3, 5, 7

• 4, and 6

• 2, 4, and 6