Write down all factors of $225$225.
Separate numbers with a comma.
Write down all factors of $12$12.
Separate numbers with a comma.
What number is a factor of every number?
Which of these numbers is $6$6 a factor of?
Use previous understanding of factors to find the greatest common factor and the least common multiple.
Use previous understanding of factors to find the greatest common factor and the least common multiple. Find the least common multiple of two whole numbers less than or equal to 12.
Use previous understanding of factors to find the greatest common factor and the least common multiple. Use the distributive property to express a sum of two whole numbers 1 to 100 with a common factor as a multiple of a sum of two whole numbers with no common factor. For example, express 36 + 8 as 4(9+2).