What is the least common multiple of 7 and 5?
What is the least common multiple of 4 and 6?
Find the LCM of 49 and 6.
Find the LCM of , and 4.
List the next five common multiples after the LCM of 4 and 9.
List the next five common multiples after the LCM of 2 and 16.
A botanist waters one plant every 7 days and another every 40 days. If she waters both plants today, in how many days will she water the two plants on the same day again?
Victoria goes to the library every 6 weeks. Scarlett goes to the same library every 7 weeks. If they met at the library one day, how long would it be before both of them are at the library in the same week again?
Write three numbers that have an LCM of 210.