GCF & LCM

Front

Find the GCF of 12 and 30.

Back

6

Front

Find the GCF of 50 and 40.

Back

10

Front

Find the GCF of 28, 42, 56.

Back

14

Front

Find the GCF of 14, 56, 63.

Back

7

Front

Find the LCM of 3 and 5.

Back

15

Front

Find the LCM of 8 and 12.

Back

24

Front

Find the LCM of 4, 5, 6.

Back

60

Front

Find the LCM of 5, 10, 15.

Back

30

Front

Avery gets newsletters by e-mail. He gets one for sports every 5 days, one for model railroads every 10 days, and one for music every 8 days. If he got all three today, how many more days will it be until he gets all three newsletters on the same day again?

Back

40 days