Prime Factorization, GCF & LCM

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

Tags

CCSS.4.OA.B.4

Front

What are prime numbers?

Back

Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 36?

Back

2 x 2 x 3 x 3

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of 18 and 24?

Back

The GCF of 18 and 24 is 6.

Front

What is the LCM (Least Common Multiple)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you find the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

Is 37 a prime number?

Back

Yes, 37 is a prime number.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

What is the prime factorization of 60?

Back

2 x 2 x 3 x 5