Prime Factorization Lcm Gcf Prime Composite Irrational Rational

What is the Greatest Common Factor (GCF) of 24 and 36?

• 4

• 2

• 6

• 1

What is the Least Common Multiple (LCM) of 6 and 8?

• 48

• 24

• 12

• 16

Which number is prime?

• 15

• 17

• 10

• 21

Match the prime factorization to each number.

• 81

• 
• 26

• 
• 111

• 
• 200

• 
• 1000

• 

Which number is composite?

• 13

• 2

• 1

• 32

Rational or Irrational? 1.333....

• Irrational

• Rational

Rational or Irrational? √7

• Irrational

• Rational

Rational or Irrational? π÷3

• Irrational

• Rational

What is prime factorization (2 answers)

• The best factors to use to make another number

• All the factors of a number

• A list of all the prime numbers that make up another number

• The act of finding the prime numbers that multiply to make another number

• All the prime numbers less than another number

What is the GCF?

• The largest number that is a factor of two or more other numbers

• The result of multiplying a number by an integer

• The smallest positive number that is a multiple of two or more numbers

• Numbers we can multiply together to get another number