GCF, LCM, Prime Factorization, & Long Division

Least Common Multiple

1

What is the least common multiple of 6 and 8 

24

2

What is the least common multiple of 4 and 12

12

3

What is the least common multiple of 10 and 25

50

4

What is the Least common multiple of 12,15, and 10 

60

5

List all the common multiples of 8, 4, and 6

24

Greatest Common Factor

1

What is the greatest factor of 16 and 36?

4

2

What is the greatest common factor of 12 and 15

3

3

What is the greatest common factor of 24 and 20?

4

4

What is the great common factor of 50, 35, and 15?

5

5

What is the greatest common factor of 64 and 80?

16

Prime Factorization

1

What is the prime factorization of 30?

5x3x2

2

What is the prime factorization of 81

3x3x3x3

3

What is the prime factorization of 90

2×3×3×5

4

What is the prime factorization of 71? 

71x1

5

What is the prime factorization of 2550?

2x3x5x5x17

Long Division

1

40 divided by 5

8

2

363 divided by 3

121

3

932 divided by 4

233

4

8,360 divided by 7

1,194 R2

5

8,731 divided by 2  

4,365 R1