LCM
Word Problems
GCF
Luck of the Draw
Prime Factorization
100

Find the least common multiple of 25 and 125.

125

100

Carter is posting 12 flyers for the science club and 18 for the music club. He wants to make all the locations identical, with the same combination of science club flyers and music club flyers. In addition, he wants to make sure that no flyers are left over. What is the greatest number of locations that Carter can post at?

6

100

What is the greatest common factor of 140 and 100?

20

100

What is a Prime Number?

Any number where the only factors are one and itself.

100

What is the prime factorization of 72?

23 × 32

200

Find the least common multiple of 16 and 64.

64

200

Lily enjoys sweet treats. She wants to have a heart shaped cookie every 4 days and a cake pop every 3 days. On what day number will she have both a cookie and a cake pop?

12 days

200

What is the greatest common factor of 32 and 40?

8

200

Is 59 a Prime Number?

Yes

200

What is the prime factorization of 60?

22 × 3 x 5

300

What is the Least Common Multiple of 24 and 100?

600

300

Jacob is making Valentine's cards and needs 16 red hearts and 20 pink hearts for each card. What is the smallest number of cards he can make to use an equal number of each heart?

80 cards

300

What is the Greatest Common Factor of 55 and 99?

11

300

What is the GCF of 36 and 48?

12


300

Which is the prime factorization of 84?

22  x 3 × 7

400

What is the Least common Multiple of 33 and 121?

363

400

Sasha is making party bags for her birthday. She has 66 cookies and 99 bracelets. She wants each bag to have the same number of cookies and bracelets. What is the greatest number of identical bags she can make? 

33 bags

400

What is the GCF of 50 and 560?

10

400

List the first 10 Prime Numbers.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29

400

What is the prime factorization of 124?

22 x 31

500

What is the Least Common Multiple of 175 and 220?

7700

500

 Bus line A arrives at a certain bus stop every 50 minutes. Bus line B arrives at the same stop every 65 minutes. Both buses are at the bus stop right now. How many minutes will it take for both buses be back at the bus stop?

650 minutes

500

What is the GCF of 150 and 625?

25

500

Write 560 as a product of prime factors.

2x 5 x 7

500

Write 225 as a product of prime factors.

32 × 52