GCF 1
GCF 2
GCF 2
Prime Factorization
Random Trivia
100

When two numbers have a factor in common and it's the greatest factor

GCF 

100

Find the greatest common factor of 42, 14, and 4.

What is 2?

100

GCF of 12 and 18

What is 6?

100

What is the prime factorization of 78?

2x2x13

100

The youtuber Ninja is mostly known for this video game

What is Fortnite

200

GCF of 20 and 5

What is 5?

200

Find the greatest common factor of 2, 5, and 10.

What is 1?

200

GCF of 30 and 40

What is 10?

200

Write 44 as a product of prime factors.

2x2x11

200

What international holiday is celebrated today?

What is Columbus Day?

300

GCF of 72 and 8

What is 8?

300

Find the greatest common factor of 12, 14, and 4.

What is 2?

300

GCF of 81 and 45

What is 9?

300

Write 50 as a product of prime factors.

2x5x5

300

What is the largest mammal in the world?

What is a whale?

400

GCF of 81 and 108

What is 27

400

Find the greatest common factor of 5, 2, and 3.

What is 1?

400

GCF of 30 and 60

What is 30?

400

Write 84 as a product of prime factors.

2x2x3x7

400

What president is on the penny?

Who is Abraham Lincoln?

500

GCF of 22 and 66

What is 22?

500

Find the greatest common factor of 8, 12, and 28.

What is 4?

500

GCF of 64 and 80

What is 16?

500

Write 40 as a product of prime factors.

2x2x2x5

500

This animal can clean its own ear with its tongue.

What is a giraffe?