Greatest Common Factor and Least Common Multiple

What is the greatest common factor of 64 and 48?

What is the greatest common factor of 36 and 54?

What is the greatest common factor of 24 and 30?

What are the first 10 multiples of 2?

What are the first 10 multiples of 5?

What is the least common multiple of 5 and 6?

What is the least common multiple of 10 and 15?

Reorder the following:

What are the steps for finding the GCF of two numbers while using the ladder method.

• Multiply all numbers to the left of the ladder to find the GCF

• Continue finding factors until the only common factor remaining is 1

• Find a common factor between both numbers

• Set up your ladder

Use the picture attached to find ALL errors.

SELECT ALL THAT APPLY!!!

• There's no error

• The 15 should have been a 5

• The 30 should have been a 12

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Use the picture attached to find ALL errors.

SELECT ALL THAT APPLY!!!

• There are no errors

• The factoring is incorrect for 28

• The factoring is incorrect for 32

• The greatest common factor is 8