Exploring Prime Factorization Techniques

What is a factor in the context of mathematics?

• A number that can be multiplied by another to reach a target number

• A number that adds to another to reach ten

• A number that can only be divided by one and itself

• A number that subtracts from another to reach zero

Tags

CCSS.4.OA.B.4

What is the purpose of a factor tree?

• To calculate the sum of all factors of a number

• To visualize the multiplication table of a number

• To find the square root of a number

• To determine the prime factors of a number

How can the prime factorization of 24 be correctly written using exponents?

• 2^3 * 3

• 2^2 * 3^2

• 2 * 3 * 4

• 3^2 * 8

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CCSS.6.EE.A.1

In a factor tree, what do you do when you reach a prime number?

• Stop dividing further

• Continue dividing by other prime numbers

• Multiply by the smallest composite number

• Add it to another prime number

Which of the following numbers is considered a prime number?

• 17

• 15

• 4

• 6

Tags

CCSS.4.OA.B.4

Which statement is true about prime numbers?

• They are always even numbers

• They are divisible by numbers other than 1 and themselves

• They are always greater than 10

• They can only be divided by 1 and themselves

Tags

CCSS.4.OA.B.4

What is the prime factorization of 16?

• 2 * 2 * 2 * 2

• 4 * 4

• 8 * 2

• 1 * 16

What is the result of the prime factorization of 40?

• 4 * 10

• 1 * 40

• 8 * 5

• 2 * 2 * 2 * 5

What is the prime factorization of 21?

• 1 * 21

• 21

• 3 * 3 * 7

• 3 * 7

Which of the following is NOT a correct representation of a factor tree result?

• 2, 2, 2, 3 for 24

• 2, 2, 2, 2 for 16

• 2, 5 for 10

• 2, 2, 2, 10 for 40

Tags

CCSS.4.OA.C.5