Mathew goes hiking every 8 days and swimming every 6 days. He did both kinds of exercise today. How many days from now will he go both hiking and swimming again?

Decompose 24 into prime factors:

True or false: All prime numbers except 2 are odd.

Is 78 a multiple of 6?

LCM ( 12, 18)

Is 154 divisible by 11?

Mandy is making kits to share with friends. She has 12 bottles of water and 16 cans of food, which se would like to distribute equally among the kits with nothing left over. What is the greatest number of kits Mandy can make?

Which of the following numbers are divisible by 3 and 5 at the same time? 305, 225 or 500.

Is 209 divisible by 11?

The first prime number over 35.

Fill the gap with the word "multiple", "divisor" or "divisible":  9 is a ....................................of 81.

GCD ( 8, 9)

LCM ( 35, 10)