Show:
Prime Factorization
Random
Greatest Common Factor
Least Common Multiple
Word Problems
100

What is the prime factorization for 32?

2x2x2x2x2

100

What are the factors of the problem: 4x2=8

4 and 2

100
What is the greatest common factor of 12 and 15
3
100
What is the least common multiple of 3 and 7?
21
100

Timer 1 is set to beep every 8 minutes. Timer 2 is set to beep every 6 minutes. How many times will they beep at the same time?

24

200

What is the prime factorization for 27?

3x3x3

200
Should your answer for GCF or LCM be bigger?

LCM is always bigger

200
What is the greatest common factor of 24 and 20?
4
200
What is the least common multiple of 4 and 9?
36
200

Two lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. How many times will they blink at the SAME time?

12 times

300

What is the prime factorization for 36?

2x2x3x3

300

What does GCF stand for?

What does LCM stand for?

Greatest Common Factor

Least Common Multiple

300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 2, 3, and 5?
30
300

Sarah is making bead necklaces. She has 60 blue beads and 72 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads?

12

400

What is the prime factorization for 64?

2x2x2x2x2x2

400

What property shows the following:

2x(4x5)=(2x4)x5

Associative

400
What is the great common factor of 50, 35, and 15?
5
400
What is the least common multiple of 20 and 12?
60
400
Boxes that are 12 inches tall are being stacked next to boxes that are 18 inches tall. What is the smallest or shortest height at which the two stacks will be the same height?

36 inches

500

What is the prime factorization for 100?

2x2x5x5

500

Words like "smallest" and "at the same time" are keywords for LCM or GCF?

LCM

500
What is the greatest common factor of 64 and 80?
16
500
What is the least common multiple of 21 and 24?
168
500

Johnny baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for his teacher friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?

12 plastic containers