Prime Factorizations

What is the LCM of the numbers represented by the following prime factorizations?Ans (a)  

2 x 2 x 2

2 x 2 x 5

What is the HCF of the numbers represented by the following prime factorizations?Ans (a)  

Create factor trees and using prime factorization, calculate the HCF of 28 and 40.

Ans (a)  

Create factor trees and using prime factorization, calculate the LCM of 28 and 40.

Ans (a)  

What is the HCF of the numbers represented by the following prime factorizations?Ans (a)  

Find the prime factorization of 40

• 2 x 5 x 2

• 2 x 20

• 5 x 8

• 2 x 2 x 2 x 5

Which shows the prime factorization of 84?

Write the prime factorization of the number 16.

Tags

CCSS.6.EE.A.1

Write the prime factorization of 60.

Find the GCF of 11 and 68 using prime factorizations or a venn diagram.

• 1

• 7

• 11

• 745