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Prime Factorization
Greatest Common Factor
Least Common Multiple
Mixture of Topic 8
100

Prime factorization of 90

2x3x3x5

100

What is the greatest common factor of 3 and 9?

3

100

What is the least common multiple of 7 and 3?

21

100

Prime factorization of 42

2x3x7

200

Prime Factorization of 36

2x2x3x3

200

What is the greatest common factor of 9 and 81?

9

200

What is the least common multiple of 13 and 3?

39

200

Least Common Multiple of 9 and 13

117

300

Prime factorization of 81

3x3x3x3

300

What is the greatest common factor of 12 and 58?

2

300

What is the least common multiple of 4 and 9?

36

300

Least Common Multiple of 7 and 56

7

400

Prime factorization of 121

11x11

400

What is the greatest common factor of 48 and 92?

4

400

What is the least common multiple of 13 and 14?

182

400

Greatest Common Factor of 56 and 63

7

500

Prime Factorization of 900

2x2x3x3x5x5

500
What is the greatest common factor of 210 and 30?

30

500

What is the least common multiple of 21 and 30?

210

500

Greatest Common Factor of 21 and 48

3