Prime Factorization, GCF, and LCM

Prime Factorization

100

Find the Prime Factorization of 48

2*2*2*2*3

200

Find the prime factorization of 64

2*2*2*2*2*2

300

Find the prime factorization of 95

5*19

400

Find the prime factorization of 130

2*5*13

500

Find the prime factorization of 169

13*13

Greatest Common Factor

100

Find the GCF of 10 and 50

GCF=10

200

Find the GCF of 80 and 60

GCF=20

300

Find the GCF of 18 and 66

GCF=6

400

Find the GCF of 10, 12, and 24

GCF=2

500

Find the GCF of 96, 64, 48

GCF=16

Least Common Multiple

100

What is the LCM of 21 and 28

LCM=84

200

What is the LCM of 20 and 16

LCM=80

300

What is the LCM of 3, 10, and 14

LCM=210

400

What is the LCM of 14, 28, and 21

LCM=84

500

What is the LCM of 9, 56, and 18

LCM=504

Random

100

What is the sum of 42 and 56

98

200

What is the product of 12 and 14

168

300

What is the difference of 3,459 and 2,354

1,105

400

What is the quotient of 155 and 5

31

500

Ms. V went to the store and had $120 to spend. The store was selling notebooks for $10. How many notebooks could Ms. V buy with her $120? 

Ms. V can buy 12 notebooks with $120.