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GCF and LCM

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What is the LCM of 14 and 21?

42

What is the GCF of 7 and 11?

1

What is the LCM of 4 and 10?

20

What is the GCF of 4 and 19?

1

What is the GCF of 9 and 30?

3

What is the GCF of 2 and 5?

1

What is the GCF of 25 and 50?

25

What is the LCM of 4, 8, 18?

72

What is the GCF of 6, 24, 30?

6

What is the LCM of 3 and 10?

30

What is the LCM of 24 and 16?

48

What is the LCM of 3, 15, 20?

60

What is the GCF of 25 and 35?

5

What is the LCM of 6 and 18?

18

What is the LCM of 9 and 12?

36

What is the GCF of 7,15, 22?

1

What is the GCF of 18 and 21?

3

What is the GCF of 13 and 39?

13

What is the GCF of 16 and 40?

8

What is the LCM of 5, 12, 25?

300

What is the GCF of 12, 15, 21?

3