GCF and Prime Factorization Jeopardy

Prime Factorization

100

Write the prime factorization of 6

3 and 2

200

Write the prime factorization of 20

5, 2, 2

300

Write the prime factorization of 100

5, 5, 2, 2

400

Write the prime factorization of 152

19, 2, 2, 2

500

Write the prime factorization of 243

3, 3, 3, 3, 3

GCF Odd Numbers

100

Find the GCF of 3 and 9

3

200

Find the GCF of 15 and 25

5

300

Find the GCF of 45 and 75

15

400

Find the GCF of  105 and 115

5

500

Find the GCF of 121 and 143

11

Simplifying Fractions Using GCF

100

Simplify 

3/6

1/2

200

Simplify 

3/12

1/4

300

Simplify 

15/60

1/4

400

Simplify 

36/60

3/5

500

Simplify 

56/60

14/15

GCF Even Numbers

100

Find the GCF of 20 and 40

20

200

Find the GCF of 10 and 20

10

300

Find the GCF 60 and 120

60

400

Find the GCF of 110 and 240

10

500

Find the GCF of 352 and 422

2

Divisibility Rules

100

Divisibility rule for 2

has to end in a 0, 2, 4, 6, or 8

200

Divisibility rule for 3

If you add the digits of the number and the sum is divisible by 3, then the number is divisible by 3

300

Divisibility rule for 5

has to end in a 5 or 0

400

Divisibility Rule for 9

If you add the digits and the sum is divisible by 9, then the number is divisible by 9

500

Divisibility rule for 6

Is the number is even and divisible by 3