LCM and GCD

What is the least common multiple (LCM) of 4 and 6?

What is the greatest common divisor (GCD) of 8 and 12?

If you have the numbers 15 and 25, what is their GCD?

What is the LCM of 3, 5, and 7?

What is the GCD of 14 and 28?

Find the LCM of 9 and 12.

What is the GCD of 36 and 48?

What is the least common multiple (LCM) of 10 and 15?

What is the GCD of 16 and 24?

If you find the LCM of 5, 10, and 20, what is the answer?