LCM, GCF, and Prime Factorization!

Front

What is the definition of factors in mathematics?

Back

Factors are numbers that can be multiplied together to get another number.

Tags

CCSS.4.OA.B.4

Front

List all the factors of 20.

Back

1, 2, 4, 5, 10, 20

Tags

CCSS.4.OA.B.4

Front

What is prime factorization?

Back

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

Front

Use a number tree to find the prime factorization of 48.

Back

3 x 2^4

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

Name the next 3 prime numbers after 23.

Back

29, 31, 37

Tags

CCSS.4.OA.B.4

Front

Which of the following is prime: 19, 20, 21?

Back

19 is prime.

Tags

CCSS.4.OA.B.4

Front

What is the greatest common factor (GCF)?

Back

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

Front

What is the least common multiple (LCM)?

Back

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

Front

How do you find the GCF of 12 and 16?

Back

List the factors: 12 (1, 2, 3, 4, 6, 12) and 16 (1, 2, 4, 8, 16). The GCF is 4.