Ch 1.5: Greatest Common Factor Flashcard

Front

What is the prime factorization of 56 using the factor tree?

Back

2 x 2 x 2 x 7

Front

Find the GCF of 35 and 45 using Venn diagrams.

Back

5

Front

Find the GCF of 12 and 18 using lists.

Back

6

Front

Find the GCF of 42 and 63 using the factor tree.

Back

21

Front

What is the prime factorization of 36 using the factor tree?

Back

2 * 2 * 3 * 3

Front

Define Greatest Common Factor (GCF).

Back

The largest positive integer that divides two or more numbers without leaving a remainder.

Front

What is a factor tree?

Back

A diagram used to break down a number into its prime factors.

Front

How do you find the GCF using prime factorization?

Back

List the prime factors of each number, then multiply the lowest powers of common prime factors.

Front

What is the prime factorization of 30?

Back

2 x 3 x 5

Tags

CCSS.4.OA.B.4

Front

How can Venn diagrams help in finding the GCF?

Back

They visually represent the common factors of two or more sets.