Prime Factorization
How many factors does a prime number have?
2
What is the GCF of 10 and 20?
10
What does GCF stand for?
Greatest common factor
What is the GCF of 25 and 15?
5
Why was the math book so sad?
He had a lot of problems
What is the smallest prime number?
2
What is the GCF of 12 and 30?
6
What is the definition of an integer?
The list of all whole numbers (counting numbers) and their opposites
What is the GCF of 100 and 200?
100
Ms. Fujitani is making snack bags for her birthday party. She has 24 chocolates and 6 bags of popcorn. She wants to use all the snacks and also make as many bags as possible with no leftovers. If each bag has to be the same, how many bags can she make?
6 bags
What is the prime factorization of 80? (write your answer in exponent form)
24 x 5
What is the GCF of 5 and 16?
1
What are two ways to find the GCF?
(need 2 out of 3 methods): Listing method, prime factorization, birthday cake/chandelier method
What is the GCF of 42 and 140?
14
Titan has 18 apples, 12 oranges, and 30 pears. He needs to pack the same amount of each type of fruit in each box and also wants to make as many boxes as possible. How many boxes can he pack?
6 boxes
What is the prime factorization of 140? (write your answer in exponent form)
22x5x7
What is the GCF of 15, 30, and 40?
5
Which of the following numbers is composite: 2, 3, 7, 9, 11?
9
What is the GCF of 360 and 126
18
Mrs. Green want to plant 45 sunflower plants, 81 corn plants and 63 tomato plants in her garden. If she put the same number of each type of plant in each row, what is the greatest number or rows she can plant?
What is the prime factorization of 2205? (write your answer in exponent form)
32x5x72
What is the GCF of 960, 420, and 180?
60
What is a prime number?
A number that has exactly 2 factors: 1 and itself
What is the GCF of 54, 72, and 102?
6
Mr. Nagata is making PPE packages for the school. He has 72 masks, 36 bottles of hand sanitizer, and 54 containers of wipes. He has to use all his supplies and each package has to be identical. What is the greatest number of packages he can make?
18 packages