GCF, Prime, & Composite | Baamboozle - Baamboozle

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Find the GCF of 32 and 81

1

Is 85 prime or composite?

composite

Tell the prime factorization of 100

2x2x5x5

Find the GCF of 21 and 49

7

Gina found the prime factors of 98 (2x7x7) and 84 (2x2x3x7). What is the GCF of 98 and 84?

14

What are the two methods for finding the GCF?

Prime Factorization and Listing Factors

Harold has 50 Pokemon cards and 75 Pokemon toys. He wants to give them out as prizes to his friends. He found that the GCF of 50 and 75 is 25. If he divides them equally among 25 friends, how many cards and toys will each get?

2 cards and 3 toys

Find the GCF of 20 and 35

5

Is 5 prime or composite?

prime

Is 66 prime or composite?

composite

What is the GCF of 28, 84, and 49?

7

Tell the prime factorization of 25

5x5

Is 49 prime or composite?

composite