Factors and GCF

Factors

100

List all of the factors of 8.

1, 2, 4, 8

200

List all of the factors of 12.

1, 2, 3, 4, 6, 12

300

List all of the factors of 20.

1, 2, 4, 5, 10, 20

400

List all of the factors of 50.

1, 2, 5, 10, 25, 50

500

List all of the factors of 60.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

GCF

100

Find the greatest common factor of 10 and 16.

2

200

Find the greatest common factor of 8 and 12.

4

300

Find the greatest common factor of 9 and 36.

9

400

Find the greatest common factor of 14, 21, and 35.

7

500

Find the greatest common factor 3, 12, and 33.

3

Review

100

What is the value of the 6 in 960,871,432?

60,000,000

200

Round 52,983 to the nearest thousand.

53,000

300

What is 6,789 + 1,234?

8,023

400

What is 8,000 - 3,456?

4,544

500

Round 99,999 to the nearest hundred thousand.

100,000